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PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!

What is (f⋅g)(x)?

PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!! What is (f⋅g)(x)?-example-1

1 Answer

3 votes

Answer: x⁵ - 2x³ + 2x² - 8x + 4

Explanation:

f(x) = x³ - 4x + 2

g(x) = x² + 2

(f · g)(x) = (x² + 2) (x³ - 4x + 2)

= x²(x³ - 4x + 2) + 2(x³ - 4x + 2)

= x⁵ - 4x³ + 2x² + 2x³ - 8x + 4

= x⁵ - 2x³ + 2x² - 8x + 4 ⇒ added like terms (-4x³ and 2x³)

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