F(x) = x + 2 g(x) = 3x^2 – 5 Find (f • g)(x).

asked Aug 20, 2022 89.7k views

5 votes

F(x) = x + 2
g(x) = 3x^2 – 5
Find (f • g)(x).

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7 votes

Answer:
3x^3+6x^2-5x-10

Explanation:

$\left(x+2\right)\left(3x^2-5\right)$

$x\cdot \:3x^2+x\left(-5\right)+2\cdot \:3x^2+2\left(-5\right)$

=3x^3+6x^2-5x-10

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