If f(x) = 3x^5 + 4x^4 + 5, then what is the remainder when f(x) is divided by X + 3?

First Timer asked Mar 4, 2023

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4 votes

If f(x) = 3x^5 + 4x^4 + 5, then what is the remainder when f(x) is divided by
X + 3?

First Timer asked Mar 4, 2023

3.2k points

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2 votes

Answer:

remainder: -400

Step-by-step explanation:

$\sf f(x) = 3x^5 + 4x^4 + 5$

divided by x + 3

insert x = -3 in the function

$\sf f(x) = 3(-3)^5 + 4(-3)^4 + 5$

$\sf f(-3) = -400$

Yarrow answered Mar 10, 2023

3.4k points

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