Find the Inverse h(x)=6x+1

$h (x) = 6 x + 1$

Step 1

Write $h (x) = 6 x + 1$ as an equation.

$y = 6 x + 1$

Step 2

Interchange the variables.

$x = 6 y + 1$

Step 3

Solve for $y$ .

Rewrite the equation as $6 y + 1 = x$ .

$6 y + 1 = x$

Subtract $1$ from both sides of the equation.

$6 y = x - 1$

Divide each term in $6 y = x - 1$ by $6$ and simplify.

Divide each term in $6 y = x - 1$ by $6$ .

$\frac{6 y}{6} = \frac{x}{6} + \frac{- 1}{6}$

Simplify the left side.

Cancel the common factor of $6$ .

Cancel the common factor.

$\frac{6 y}{6} = \frac{x}{6} + \frac{- 1}{6}$

Divide $y$ by $1$ .

$y = \frac{x}{6} + \frac{- 1}{6}$

Simplify the right side.

Move the negative in front of the fraction.

$y = \frac{x}{6} - \frac{1}{6}$

Step 4

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

$h^{- 1} (x) = \frac{x}{6} - \frac{1}{6}$

Step 5

Verify if $h^{- 1} (x) = \frac{x}{6} - \frac{1}{6}$ is the inverse of $h (x) = 6 x + 1$ .

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

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

Set up the composite result function.

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

Evaluate $h^{- 1} (6 x + 1)$ by substituting in the value of $h$ into $h^{- 1}$ .

$h^{- 1} (6 x + 1) = \frac{6 x + 1}{6} - \frac{1}{6}$

Combine the numerators over the common denominator.

$h^{- 1} (6 x + 1) = \frac{6 x + 1 - 1}{6}$

Combine the opposite terms in $6 x + 1 - 1$ .

Subtract $1$ from $1$ .

$h^{- 1} (6 x + 1) = \frac{6 x + 0}{6}$

Add $6 x$ and $0$ .

$h^{- 1} (6 x + 1) = \frac{6 x}{6}$

Cancel the common factor of $6$ .

Cancel the common factor.

$h^{- 1} (6 x + 1) = \frac{6 x}{6}$

Divide $x$ by $1$ .

$h^{- 1} (6 x + 1) = x$

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

Set up the composite result function.

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

Evaluate $h (\frac{x}{6} - \frac{1}{6})$ by substituting in the value of $h^{- 1}$ into $h$ .

$h (\frac{x}{6} - \frac{1}{6}) = 6 (\frac{x}{6} - \frac{1}{6}) + 1$

Simplify each term.

Apply the distributive property.

$h (\frac{x}{6} - \frac{1}{6}) = 6 (\frac{x}{6}) + 6 (- \frac{1}{6}) + 1$

Cancel the common factor of $6$ .

Cancel the common factor.

$h (\frac{x}{6} - \frac{1}{6}) = 6 (\frac{x}{6}) + 6 (- \frac{1}{6}) + 1$

Rewrite the expression.

$h (\frac{x}{6} - \frac{1}{6}) = x + 6 (- \frac{1}{6}) + 1$

Cancel the common factor of $6$ .

Move the leading negative in $- \frac{1}{6}$ into the numerator.

$h (\frac{x}{6} - \frac{1}{6}) = x + 6 (\frac{- 1}{6}) + 1$

Cancel the common factor.

$h (\frac{x}{6} - \frac{1}{6}) = x + 6 (\frac{- 1}{6}) + 1$

Rewrite the expression.

$h (\frac{x}{6} - \frac{1}{6}) = x - 1 + 1$

Combine the opposite terms in $x - 1 + 1$ .

Add $- 1$ and $1$ .

$h (\frac{x}{6} - \frac{1}{6}) = x + 0$

Add $x$ and $0$ .

$h (\frac{x}{6} - \frac{1}{6}) = x$

Since $h^{- 1} (h (x)) = x$ and $h (h^{- 1} (x)) = x$ , then $h^{- 1} (x) = \frac{x}{6} - \frac{1}{6}$ is the inverse of $h (x) = 6 x + 1$ .

$h^{- 1} (x) = \frac{x}{6} - \frac{1}{6}$

Find the Inverse h(x)=6x+1

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