Let f(x)=x^2+3x-4 and g(x)=x+5. Find f(x)•g(x) a. x^3+3x^2+16x-20 b. x^3+5x^2+14x-20 c. x^3-8x^2+11x-20 d. x^3+9x^2+19x-20

asked Jan 25, 2022 68.9k views

2 votes

Let f(x)=x^2+3x-4 and g(x)=x+5. Find f(x)•g(x)

a. x^3+3x^2+16x-20
b. x^3+5x^2+14x-20
c. x^3-8x^2+11x-20
d. x^3+9x^2+19x-20

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5 votes

Answer:

none of them is correct. Option c would have been correct if it was +8x² instead of -8x².

Akbarali answered Jan 28, 2022

3.5k points

5 votes

Answer:

C is the answer

Explanation:

Ainwood answered Jan 30, 2022

3.2k points

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