Question

If f(x) = 2x² - 4, find (-5) f(x).

A. -5x²-4
B. 2x²-20
C. -7x²-9
D. -10x² +20

Answer 1

the answer is D:)
have a good day

Answer 2

D

Explanation:

(- 5)f(x)

= - 5(2x² - 4) ← multiply terms in parenthesis by - 5

= - 10x² + 20