If f(x) = 2x² - 4x and g(x) = 5 - 2x, evaluate fx) - g(x) for x = 5. A 15 B 5 C 35 D. 20 ET

asked Apr 23, 2022 71.8k views

4 votes

If f(x) = 2x² - 4x and g(x) = 5 - 2x, evaluate fx) - g(x) for x = 5.

A 15
B 5
C 35
D. 20
ET

by Kaaf

3.5k points

Please log in or register to add a comment.

6 votes

Answer:

Explanation:

2x² - 4x- (5 - 2x)

2x² - 4x - 5 + 2x

2x²-2x - 5 = f(x) - g(x)

Now use 5

$2 ({5}^(2) ) - 2(5) - 5 \\ = 35$

Jotik answered Apr 28, 2022

by Jotik

3.5k points

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

3.5m questions

4.5m answers