Suppose f(x)=x²+4 and g(x)=2x+1. Find the value of f(-2)g(-2).

asked Feb 10, 2023 93.9k views

13 votes

Suppose f(x)=x²+4 and g(x)=2x+1.
Find the value of f(-2)g(-2).

7.9k points

Please log in or register to add a comment.

6 votes

Answer: -24

Explanation:

I am assuming you want the value of (f × g)(-2)

$f(-2)=(-2)^2+4\\f(-2) = 4+4\\f(-2)=8$

$g(-2)=2(-2)+1\\g(-2)=-4+1\\g(-2)=-3$

8 × -3 = -24

8.5k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers