Find the Inverse f(x)=2(x-6)^(1/3)+10

$f (x) = 2 {(x - 6)}^{\frac{1}{3}} + 10$

Write $f (x) = 2 {(x - 6)}^{\frac{1}{3}} + 10$ as an equation.

$y = 2 {(x - 6)}^{\frac{1}{3}} + 10$

Interchange the variables.

$x = 2 {(y - 6)}^{\frac{1}{3}} + 10$

Solve for $y$ .

Rewrite the equation as $2 {(y - 6)}^{\frac{1}{3}} + 10 = x$ .

$2 {(y - 6)}^{\frac{1}{3}} + 10 = x$

Subtract $10$ from both sides of the equation.

$2 {(y - 6)}^{\frac{1}{3}} = x - 10$

Raise each side of the equation to the power of $3$ to eliminate the fractional exponent on the left side.

${(2 {(y - 6)}^{\frac{1}{3}})}^{3} = {(x - 10)}^{3}$

Simplify the exponent.

Simplify the left side.

Simplify ${(2 {(y - 6)}^{\frac{1}{3}})}^{3}$ .

Apply the product rule to $2 {(y - 6)}^{\frac{1}{3}}$ .

$2^{3} {({(y - 6)}^{\frac{1}{3}})}^{3} = {(x - 10)}^{3}$

Raise $2$ to the power of $3$ .

$8 {({(y - 6)}^{\frac{1}{3}})}^{3} = {(x - 10)}^{3}$

Multiply the exponents in ${({(y - 6)}^{\frac{1}{3}})}^{3}$ .

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$8 {(y - 6)}^{\frac{1}{3} \cdot 3} = {(x - 10)}^{3}$

Cancel the common factor of $3$ .

Cancel the common factor.

$8 {(y - 6)}^{\frac{1}{3} \cdot 3} = {(x - 10)}^{3}$

Rewrite the expression.

$8 {(y - 6)}^{1} = {(x - 10)}^{3}$

Simplify.

$8 (y - 6) = {(x - 10)}^{3}$

Apply the distributive property.

$8 y + 8 \cdot - 6 = {(x - 10)}^{3}$

Multiply $8$ by $- 6$ .

$8 y - 48 = {(x - 10)}^{3}$

Simplify the right side.

Simplify ${(x - 10)}^{3}$ .

Use the Binomial Theorem.

$8 y - 48 = x^{3} + 3 x^{2} \cdot - 10 + 3 x {(- 10)}^{2} + {(- 10)}^{3}$

Simplify each term.

Multiply $- 10$ by $3$ .

$8 y - 48 = x^{3} - 30 x^{2} + 3 x {(- 10)}^{2} + {(- 10)}^{3}$

Raise $- 10$ to the power of $2$ .

$8 y - 48 = x^{3} - 30 x^{2} + 3 x \cdot 100 + {(- 10)}^{3}$

Multiply $100$ by $3$ .

$8 y - 48 = x^{3} - 30 x^{2} + 300 x + {(- 10)}^{3}$

Raise $- 10$ to the power of $3$ .

$8 y - 48 = x^{3} - 30 x^{2} + 300 x - 1000$

Solve for $y$ .

Move all terms not containing $y$ to the right side of the equation.

Add $48$ to both sides of the equation.

$8 y = x^{3} - 30 x^{2} + 300 x - 1000 + 48$

Add $- 1000$ and $48$ .

$8 y = x^{3} - 30 x^{2} + 300 x - 952$

Divide each term in $8 y = x^{3} - 30 x^{2} + 300 x - 952$ by $8$ and simplify.

Divide each term in $8 y = x^{3} - 30 x^{2} + 300 x - 952$ by $8$ .

$\frac{8 y}{8} = \frac{x^{3}}{8} + \frac{- 30 x^{2}}{8} + \frac{300 x}{8} + \frac{- 952}{8}$

Simplify the left side.

Cancel the common factor of $8$ .

Cancel the common factor.

$\frac{8 y}{8} = \frac{x^{3}}{8} + \frac{- 30 x^{2}}{8} + \frac{300 x}{8} + \frac{- 952}{8}$

Divide $y$ by $1$ .

$y = \frac{x^{3}}{8} + \frac{- 30 x^{2}}{8} + \frac{300 x}{8} + \frac{- 952}{8}$

Simplify the right side.

Simplify each term.

Cancel the common factor of $- 30$ and $8$ .

Factor $2$ out of $- 30 x^{2}$ .

$y = \frac{x^{3}}{8} + \frac{2 (- 15 x^{2})}{8} + \frac{300 x}{8} + \frac{- 952}{8}$

Cancel the common factors.

Factor $2$ out of $8$ .

$y = \frac{x^{3}}{8} + \frac{2 (- 15 x^{2})}{2 (4)} + \frac{300 x}{8} + \frac{- 952}{8}$

Cancel the common factor.

$y = \frac{x^{3}}{8} + \frac{2 (- 15 x^{2})}{2 \cdot 4} + \frac{300 x}{8} + \frac{- 952}{8}$

Rewrite the expression.

$y = \frac{x^{3}}{8} + \frac{- 15 x^{2}}{4} + \frac{300 x}{8} + \frac{- 952}{8}$

Move the negative in front of the fraction.

$y = \frac{x^{3}}{8} - \frac{(15) x^{2}}{4} + \frac{300 x}{8} + \frac{- 952}{8}$

Cancel the common factor of $300$ and $8$ .

Factor $4$ out of $300 x$ .

$y = \frac{x^{3}}{8} - \frac{15 x^{2}}{4} + \frac{4 (75 x)}{8} + \frac{- 952}{8}$

Cancel the common factors.

Factor $4$ out of $8$ .

$y = \frac{x^{3}}{8} - \frac{15 x^{2}}{4} + \frac{4 (75 x)}{4 (2)} + \frac{- 952}{8}$

Cancel the common factor.

$y = \frac{x^{3}}{8} - \frac{15 x^{2}}{4} + \frac{4 (75 x)}{4 \cdot 2} + \frac{- 952}{8}$

Rewrite the expression.

$y = \frac{x^{3}}{8} - \frac{15 x^{2}}{4} + \frac{75 x}{2} + \frac{- 952}{8}$

Divide $- 952$ by $8$ .

$y = \frac{x^{3}}{8} - \frac{15 x^{2}}{4} + \frac{75 x}{2} - 119$

Replace $y$ with $f^{- 1} (x)$ to show the final answer.

$f^{- 1} (x) = \frac{x^{3}}{8} - \frac{15 x^{2}}{4} + \frac{75 x}{2} - 119$

Verify if $f^{- 1} (x) = \frac{x^{3}}{8} - \frac{15 x^{2}}{4} + \frac{75 x}{2} - 119$ is the inverse of $f (x) = 2 {(x - 6)}^{\frac{1}{3}} + 10$ .

To verify the inverse, check if $f^{- 1} (f (x)) = x$ and $f (f^{- 1} (x)) = x$ .

Evaluate $f^{- 1} (f (x))$ .

Set up the composite result function.

$f^{- 1} (f (x))$

Evaluate $f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10)$ by substituting in the value of $f$ into $f^{- 1}$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = \frac{{(2 {(x - 6)}^{\frac{1}{3}} + 10)}^{3}}{8} - \frac{15 {(2 {(x - 6)}^{\frac{1}{3}} + 10)}^{2}}{4} + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Simplify each term.

Simplify the numerator.

Factor $2$ out of $2 {(x - 6)}^{\frac{1}{3}} + 10$ .

Factor $2$ out of $2 {(x - 6)}^{\frac{1}{3}}$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = \frac{{(2 ({(x - 6)}^{\frac{1}{3}}) + 10)}^{3}}{8} - \frac{15 {(2 {(x - 6)}^{\frac{1}{3}} + 10)}^{2}}{4} + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Factor $2$ out of $10$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = \frac{{(2 {(x - 6)}^{\frac{1}{3}} + 2 \cdot 5)}^{3}}{8} - \frac{15 {(2 {(x - 6)}^{\frac{1}{3}} + 10)}^{2}}{4} + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Factor $2$ out of $2 {(x - 6)}^{\frac{1}{3}} + 2 \cdot 5$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = \frac{{(2 ({(x - 6)}^{\frac{1}{3}} + 5))}^{3}}{8} - \frac{15 {(2 {(x - 6)}^{\frac{1}{3}} + 10)}^{2}}{4} + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Apply the product rule to $2 ({(x - 6)}^{\frac{1}{3}} + 5)$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = \frac{2^{3} {({(x - 6)}^{\frac{1}{3}} + 5)}^{3}}{8} - \frac{15 {(2 {(x - 6)}^{\frac{1}{3}} + 10)}^{2}}{4} + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Raise $2$ to the power of $3$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = \frac{8 {({(x - 6)}^{\frac{1}{3}} + 5)}^{3}}{8} - \frac{15 {(2 {(x - 6)}^{\frac{1}{3}} + 10)}^{2}}{4} + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Cancel the common factor.

Divide ${({(x - 6)}^{\frac{1}{3}} + 5)}^{3}$ by $1$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = {({(x - 6)}^{\frac{1}{3}} + 5)}^{3} - \frac{15 {(2 {(x - 6)}^{\frac{1}{3}} + 10)}^{2}}{4} + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Use the Binomial Theorem.

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = {({(x - 6)}^{\frac{1}{3}})}^{3} + 3 {({(x - 6)}^{\frac{1}{3}})}^{2} \cdot 5 + 3 {(x - 6)}^{\frac{1}{3}} \cdot 5^{2} + 5^{3} - \frac{15 {(2 {(x - 6)}^{\frac{1}{3}} + 10)}^{2}}{4} + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Simplify each term.

Multiply the exponents in ${({(x - 6)}^{\frac{1}{3}})}^{3}$ .

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = {(x - 6)}^{\frac{1}{3} \cdot 3} + 3 {({(x - 6)}^{\frac{1}{3}})}^{2} \cdot 5 + 3 {(x - 6)}^{\frac{1}{3}} \cdot 5^{2} + 5^{3} - \frac{15 {(2 {(x - 6)}^{\frac{1}{3}} + 10)}^{2}}{4} + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Cancel the common factor of $3$ .

Cancel the common factor.

Rewrite the expression.

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = (x - 6) + 3 {({(x - 6)}^{\frac{1}{3}})}^{2} \cdot 5 + 3 {(x - 6)}^{\frac{1}{3}} \cdot 5^{2} + 5^{3} - \frac{15 {(2 {(x - 6)}^{\frac{1}{3}} + 10)}^{2}}{4} + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Simplify.

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x - 6 + 3 {({(x - 6)}^{\frac{1}{3}})}^{2} \cdot 5 + 3 {(x - 6)}^{\frac{1}{3}} \cdot 5^{2} + 5^{3} - \frac{15 {(2 {(x - 6)}^{\frac{1}{3}} + 10)}^{2}}{4} + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Multiply the exponents in ${({(x - 6)}^{\frac{1}{3}})}^{2}$ .

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x - 6 + 3 {(x - 6)}^{\frac{1}{3} \cdot 2} \cdot 5 + 3 {(x - 6)}^{\frac{1}{3}} \cdot 5^{2} + 5^{3} - \frac{15 {(2 {(x - 6)}^{\frac{1}{3}} + 10)}^{2}}{4} + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Combine $\frac{1}{3}$ and $2$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x - 6 + 3 {(x - 6)}^{\frac{2}{3}} \cdot 5 + 3 {(x - 6)}^{\frac{1}{3}} \cdot 5^{2} + 5^{3} - \frac{15 {(2 {(x - 6)}^{\frac{1}{3}} + 10)}^{2}}{4} + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Multiply $5$ by $3$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x - 6 + 15 {(x - 6)}^{\frac{2}{3}} + 3 {(x - 6)}^{\frac{1}{3}} \cdot 5^{2} + 5^{3} - \frac{15 {(2 {(x - 6)}^{\frac{1}{3}} + 10)}^{2}}{4} + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Raise $5$ to the power of $2$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x - 6 + 15 {(x - 6)}^{\frac{2}{3}} + 3 {(x - 6)}^{\frac{1}{3}} \cdot 25 + 5^{3} - \frac{15 {(2 {(x - 6)}^{\frac{1}{3}} + 10)}^{2}}{4} + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Multiply $25$ by $3$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x - 6 + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 5^{3} - \frac{15 {(2 {(x - 6)}^{\frac{1}{3}} + 10)}^{2}}{4} + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Raise $5$ to the power of $3$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x - 6 + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 125 - \frac{15 {(2 {(x - 6)}^{\frac{1}{3}} + 10)}^{2}}{4} + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Add $- 6$ and $125$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - \frac{15 {(2 {(x - 6)}^{\frac{1}{3}} + 10)}^{2}}{4} + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Simplify the numerator.

Factor $2$ out of $2 {(x - 6)}^{\frac{1}{3}} + 10$ .

Factor $2$ out of $2 {(x - 6)}^{\frac{1}{3}}$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - \frac{15 {(2 ({(x - 6)}^{\frac{1}{3}}) + 10)}^{2}}{4} + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Factor $2$ out of $10$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - \frac{15 {(2 {(x - 6)}^{\frac{1}{3}} + 2 \cdot 5)}^{2}}{4} + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Factor $2$ out of $2 {(x - 6)}^{\frac{1}{3}} + 2 \cdot 5$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - \frac{15 {(2 ({(x - 6)}^{\frac{1}{3}} + 5))}^{2}}{4} + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Apply the product rule to $2 ({(x - 6)}^{\frac{1}{3}} + 5)$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - \frac{15 \cdot (2^{2} {({(x - 6)}^{\frac{1}{3}} + 5)}^{2})}{4} + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Raise $2$ to the power of $2$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - \frac{15 \cdot (4 {({(x - 6)}^{\frac{1}{3}} + 5)}^{2})}{4} + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Multiply $15$ by $4$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - \frac{60 {({(x - 6)}^{\frac{1}{3}} + 5)}^{2}}{4} + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Factor $4$ out of $60 {({(x - 6)}^{\frac{1}{3}} + 5)}^{2}$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - \frac{4 (15 {({(x - 6)}^{\frac{1}{3}} + 5)}^{2})}{4} + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Cancel the common factors.

Factor $4$ out of $4$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - \frac{4 (15 {({(x - 6)}^{\frac{1}{3}} + 5)}^{2})}{4 (1)} + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Cancel the common factor.

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - \frac{4 (15 {({(x - 6)}^{\frac{1}{3}} + 5)}^{2})}{4 \cdot 1} + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Rewrite the expression.

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - \frac{15 {({(x - 6)}^{\frac{1}{3}} + 5)}^{2}}{1} + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Divide $15 {({(x - 6)}^{\frac{1}{3}} + 5)}^{2}$ by $1$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - (15 {({(x - 6)}^{\frac{1}{3}} + 5)}^{2}) + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Rewrite ${({(x - 6)}^{\frac{1}{3}} + 5)}^{2}$ as $({(x - 6)}^{\frac{1}{3}} + 5) ({(x - 6)}^{\frac{1}{3}} + 5)$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - (15 (({(x - 6)}^{\frac{1}{3}} + 5) ({(x - 6)}^{\frac{1}{3}} + 5))) + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Expand $({(x - 6)}^{\frac{1}{3}} + 5) ({(x - 6)}^{\frac{1}{3}} + 5)$ using the FOIL Method.

Apply the distributive property.

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - (15 ({(x - 6)}^{\frac{1}{3}} ({(x - 6)}^{\frac{1}{3}} + 5) + 5 ({(x - 6)}^{\frac{1}{3}} + 5))) + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Apply the distributive property.

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - (15 ({(x - 6)}^{\frac{1}{3}} {(x - 6)}^{\frac{1}{3}} + {(x - 6)}^{\frac{1}{3}} \cdot 5 + 5 ({(x - 6)}^{\frac{1}{3}} + 5))) + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Apply the distributive property.

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - (15 ({(x - 6)}^{\frac{1}{3}} {(x - 6)}^{\frac{1}{3}} + {(x - 6)}^{\frac{1}{3}} \cdot 5 + 5 {(x - 6)}^{\frac{1}{3}} + 5 \cdot 5)) + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Simplify and combine like terms.

Simplify each term.

Multiply ${(x - 6)}^{\frac{1}{3}}$ by ${(x - 6)}^{\frac{1}{3}}$ by adding the exponents.

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - (15 ({(x - 6)}^{\frac{1}{3} + \frac{1}{3}} + {(x - 6)}^{\frac{1}{3}} \cdot 5 + 5 {(x - 6)}^{\frac{1}{3}} + 5 \cdot 5)) + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Combine the numerators over the common denominator.

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - (15 ({(x - 6)}^{\frac{1 + 1}{3}} + {(x - 6)}^{\frac{1}{3}} \cdot 5 + 5 {(x - 6)}^{\frac{1}{3}} + 5 \cdot 5)) + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Add $1$ and $1$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - (15 ({(x - 6)}^{\frac{2}{3}} + {(x - 6)}^{\frac{1}{3}} \cdot 5 + 5 {(x - 6)}^{\frac{1}{3}} + 5 \cdot 5)) + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Move $5$ to the left of ${(x - 6)}^{\frac{1}{3}}$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - (15 ({(x - 6)}^{\frac{2}{3}} + 5 \cdot {(x - 6)}^{\frac{1}{3}} + 5 {(x - 6)}^{\frac{1}{3}} + 5 \cdot 5)) + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Multiply $5$ by $5$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - (15 ({(x - 6)}^{\frac{2}{3}} + 5 {(x - 6)}^{\frac{1}{3}} + 5 {(x - 6)}^{\frac{1}{3}} + 25)) + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Add $5 {(x - 6)}^{\frac{1}{3}}$ and $5 {(x - 6)}^{\frac{1}{3}}$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - (15 ({(x - 6)}^{\frac{2}{3}} + 10 {(x - 6)}^{\frac{1}{3}} + 25)) + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Apply the distributive property.

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - (15 {(x - 6)}^{\frac{2}{3}} + 15 (10 {(x - 6)}^{\frac{1}{3}}) + 15 \cdot 25) + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Simplify.

Multiply $10$ by $15$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - (15 {(x - 6)}^{\frac{2}{3}} + 150 {(x - 6)}^{\frac{1}{3}} + 15 \cdot 25) + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Multiply $15$ by $25$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - (15 {(x - 6)}^{\frac{2}{3}} + 150 {(x - 6)}^{\frac{1}{3}} + 375) + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Apply the distributive property.

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - (15 {(x - 6)}^{\frac{2}{3}}) - (150 {(x - 6)}^{\frac{1}{3}}) - 1 \cdot 375 + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Simplify.

Multiply $15$ by $- 1$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - 15 {(x - 6)}^{\frac{2}{3}} - (150 {(x - 6)}^{\frac{1}{3}}) - 1 \cdot 375 + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Multiply $150$ by $- 1$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - 15 {(x - 6)}^{\frac{2}{3}} - 150 {(x - 6)}^{\frac{1}{3}} - 1 \cdot 375 + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Multiply $- 1$ by $375$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - 15 {(x - 6)}^{\frac{2}{3}} - 150 {(x - 6)}^{\frac{1}{3}} - 375 + \frac{75 (2 {(x - 6)}^{\frac{1}{3}} + 10)}{2} - 119$

Factor $2$ out of $75 (2 {(x - 6)}^{\frac{1}{3}} + 10)$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - 15 {(x - 6)}^{\frac{2}{3}} - 150 {(x - 6)}^{\frac{1}{3}} - 375 + \frac{2 (75 ({(x - 6)}^{\frac{1}{3}} + 5))}{2} - 119$

Cancel the common factors.

Factor $2$ out of $2$ .

Cancel the common factor.

Rewrite the expression.

Divide $75 ({(x - 6)}^{\frac{1}{3}} + 5)$ by $1$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - 15 {(x - 6)}^{\frac{2}{3}} - 150 {(x - 6)}^{\frac{1}{3}} - 375 + 75 ({(x - 6)}^{\frac{1}{3}} + 5) - 119$

Apply the distributive property.

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - 15 {(x - 6)}^{\frac{2}{3}} - 150 {(x - 6)}^{\frac{1}{3}} - 375 + 75 {(x - 6)}^{\frac{1}{3}} + 75 \cdot 5 - 119$

Multiply $75$ by $5$ .

Simplify by adding terms.

Combine the opposite terms in $x + 15 {(x - 6)}^{\frac{2}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 119 - 15 {(x - 6)}^{\frac{2}{3}} - 150 {(x - 6)}^{\frac{1}{3}} - 375 + 75 {(x - 6)}^{\frac{1}{3}} + 375 - 119$ .

Subtract $15 {(x - 6)}^{\frac{2}{3}}$ from $15 {(x - 6)}^{\frac{2}{3}}$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 75 {(x - 6)}^{\frac{1}{3}} + 119 + 0 - 150 {(x - 6)}^{\frac{1}{3}} - 375 + 75 {(x - 6)}^{\frac{1}{3}} + 375 - 119$

Add $x + 75 {(x - 6)}^{\frac{1}{3}} + 119$ and $0$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 75 {(x - 6)}^{\frac{1}{3}} + 119 - 150 {(x - 6)}^{\frac{1}{3}} - 375 + 75 {(x - 6)}^{\frac{1}{3}} + 375 - 119$

Add $- 375$ and $375$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 75 {(x - 6)}^{\frac{1}{3}} + 119 - 150 {(x - 6)}^{\frac{1}{3}} + 75 {(x - 6)}^{\frac{1}{3}} + 0 - 119$

Add $x + 75 {(x - 6)}^{\frac{1}{3}} + 119 - 150 {(x - 6)}^{\frac{1}{3}} + 75 {(x - 6)}^{\frac{1}{3}}$ and $0$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 75 {(x - 6)}^{\frac{1}{3}} + 119 - 150 {(x - 6)}^{\frac{1}{3}} + 75 {(x - 6)}^{\frac{1}{3}} - 119$

Subtract $119$ from $119$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 75 {(x - 6)}^{\frac{1}{3}} + 0 - 150 {(x - 6)}^{\frac{1}{3}} + 75 {(x - 6)}^{\frac{1}{3}}$

Add $x + 75 {(x - 6)}^{\frac{1}{3}}$ and $0$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 75 {(x - 6)}^{\frac{1}{3}} - 150 {(x - 6)}^{\frac{1}{3}} + 75 {(x - 6)}^{\frac{1}{3}}$

Subtract $150 {(x - 6)}^{\frac{1}{3}}$ from $75 {(x - 6)}^{\frac{1}{3}}$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x - 75 {(x - 6)}^{\frac{1}{3}} + 75 {(x - 6)}^{\frac{1}{3}}$

Combine the opposite terms in $x - 75 {(x - 6)}^{\frac{1}{3}} + 75 {(x - 6)}^{\frac{1}{3}}$ .

Add $- 75 {(x - 6)}^{\frac{1}{3}}$ and $75 {(x - 6)}^{\frac{1}{3}}$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x + 0$

Add $x$ and $0$ .

$f^{- 1} (2 {(x - 6)}^{\frac{1}{3}} + 10) = x$

Evaluate $f (f^{- 1} (x))$ .

Set up the composite result function.

$f (f^{- 1} (x))$

Evaluate $f (\frac{x^{3}}{8} - \frac{15 x^{2}}{4} + \frac{75 x}{2} - 119)$ by substituting in the value of $f^{- 1}$ into $f$ .

$f (\frac{x^{3}}{8} - \frac{15 x^{2}}{4} + \frac{75 x}{2} - 119) = 2 {((\frac{x^{3}}{8} - \frac{15 x^{2}}{4} + \frac{75 x}{2} - 119) - 6)}^{\frac{1}{3}} + 10$

Subtract $6$ from $- 119$ .

$f (\frac{x^{3}}{8} - \frac{15 x^{2}}{4} + \frac{75 x}{2} - 119) = 2 {(\frac{x^{3}}{8} - \frac{15 x^{2}}{4} + \frac{75 x}{2} - 125)}^{\frac{1}{3}} + 10$

Since $f^{- 1} (f (x)) = x$ and $f (f^{- 1} (x)) = x$ , then $f^{- 1} (x) = \frac{x^{3}}{8} - \frac{15 x^{2}}{4} + \frac{75 x}{2} - 119$ is the inverse of $f (x) = 2 {(x - 6)}^{\frac{1}{3}} + 10$ .

$f^{- 1} (x) = \frac{x^{3}}{8} - \frac{15 x^{2}}{4} + \frac{75 x}{2} - 119$

Find the Inverse f(x)=2(x-6)^(1/3)+10

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