Find the End Behavior -2(x-17)^4

$- 2 {(x - 17)}^{4}$

Step 1

Write $- 2 {(x - 17)}^{4}$ as a function.

$f (x) = - 2 {(x - 17)}^{4}$

Step 2

Identify the degree of the function.

Simplify and reorder the polynomial.

Use the Binomial Theorem.

$- 2 (x^{4} + 4 x^{3} \cdot - 17 + 6 x^{2} {(- 17)}^{2} + 4 x {(- 17)}^{3} + {(- 17)}^{4})$

Simplify terms.

Simplify each term.

Multiply $- 17$ by $4$ .

$- 2 (x^{4} - 68 x^{3} + 6 x^{2} {(- 17)}^{2} + 4 x {(- 17)}^{3} + {(- 17)}^{4})$

Raise $- 17$ to the power of $2$ .

$- 2 (x^{4} - 68 x^{3} + 6 x^{2} \cdot 289 + 4 x {(- 17)}^{3} + {(- 17)}^{4})$

Multiply $289$ by $6$ .

$- 2 (x^{4} - 68 x^{3} + 1734 x^{2} + 4 x {(- 17)}^{3} + {(- 17)}^{4})$

Raise $- 17$ to the power of $3$ .

$- 2 (x^{4} - 68 x^{3} + 1734 x^{2} + 4 x \cdot - 4913 + {(- 17)}^{4})$

Multiply $- 4913$ by $4$ .

$- 2 (x^{4} - 68 x^{3} + 1734 x^{2} - 19652 x + {(- 17)}^{4})$

Raise $- 17$ to the power of $4$ .

$- 2 (x^{4} - 68 x^{3} + 1734 x^{2} - 19652 x + 83521)$

Apply the distributive property.

$- 2 x^{4} - 2 (- 68 x^{3}) - 2 (1734 x^{2}) - 2 (- 19652 x) - 2 \cdot 83521$

Simplify.

Multiply $- 68$ by $- 2$ .

$- 2 x^{4} + 136 x^{3} - 2 (1734 x^{2}) - 2 (- 19652 x) - 2 \cdot 83521$

Multiply $1734$ by $- 2$ .

$- 2 x^{4} + 136 x^{3} - 3468 x^{2} - 2 (- 19652 x) - 2 \cdot 83521$

Multiply $- 19652$ by $- 2$ .

$- 2 x^{4} + 136 x^{3} - 3468 x^{2} + 39304 x - 2 \cdot 83521$

Multiply $- 2$ by $83521$ .

$- 2 x^{4} + 136 x^{3} - 3468 x^{2} + 39304 x - 167042$

The largest exponent is the degree of the polynomial.

$4$

Step 3

Since the degree is even, the ends of the function will point in the same direction.

Even

Step 4

Identify the leading coefficient.

Simplify the polynomial, then reorder it left to right starting with the highest degree term.

Use the Binomial Theorem.

$- 2 (x^{4} + 4 x^{3} \cdot - 17 + 6 x^{2} {(- 17)}^{2} + 4 x {(- 17)}^{3} + {(- 17)}^{4})$

Simplify terms.

Simplify each term.

Multiply $- 17$ by $4$ .

$- 2 (x^{4} - 68 x^{3} + 6 x^{2} {(- 17)}^{2} + 4 x {(- 17)}^{3} + {(- 17)}^{4})$

Raise $- 17$ to the power of $2$ .

$- 2 (x^{4} - 68 x^{3} + 6 x^{2} \cdot 289 + 4 x {(- 17)}^{3} + {(- 17)}^{4})$

Multiply $289$ by $6$ .

$- 2 (x^{4} - 68 x^{3} + 1734 x^{2} + 4 x {(- 17)}^{3} + {(- 17)}^{4})$

Raise $- 17$ to the power of $3$ .

$- 2 (x^{4} - 68 x^{3} + 1734 x^{2} + 4 x \cdot - 4913 + {(- 17)}^{4})$

Multiply $- 4913$ by $4$ .

$- 2 (x^{4} - 68 x^{3} + 1734 x^{2} - 19652 x + {(- 17)}^{4})$

Raise $- 17$ to the power of $4$ .

$- 2 (x^{4} - 68 x^{3} + 1734 x^{2} - 19652 x + 83521)$

Apply the distributive property.

$- 2 x^{4} - 2 (- 68 x^{3}) - 2 (1734 x^{2}) - 2 (- 19652 x) - 2 \cdot 83521$

Simplify.

Multiply $- 68$ by $- 2$ .

$- 2 x^{4} + 136 x^{3} - 2 (1734 x^{2}) - 2 (- 19652 x) - 2 \cdot 83521$

Multiply $1734$ by $- 2$ .

$- 2 x^{4} + 136 x^{3} - 3468 x^{2} - 2 (- 19652 x) - 2 \cdot 83521$

Multiply $- 19652$ by $- 2$ .

$- 2 x^{4} + 136 x^{3} - 3468 x^{2} + 39304 x - 2 \cdot 83521$

Multiply $- 2$ by $83521$ .

$- 2 x^{4} + 136 x^{3} - 3468 x^{2} + 39304 x - 167042$

The leading term in a polynomial is the term with the highest degree.

$- 2 x^{4}$

The leading coefficient in a polynomial is the coefficient of the leading term.

$- 2$

Step 5

Since the leading coefficient is negative, the graph falls to the right.

Negative

Step 6

Use the degree of the function, as well as the sign of the leading coefficient to determine the behavior.

1. Even and Positive: Rises to the left and rises to the right.

2. Even and Negative: Falls to the left and falls to the right.

3. Odd and Positive: Falls to the left and rises to the right.

4. Odd and Negative: Rises to the left and falls to the right

Step 7

Determine the behavior.

Falls to the left and falls to the right

Step 8

Find the End Behavior -2(x-17)^4

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