Question

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

Answer 1

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

Step-by-step explanation:

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

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

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