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If f(x) = 2x² - 4, find (-5) f(x). A. -5x²-4 B. 2x²-20 C. -7x²-9 D. -10x² +20
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4 votes
If f(x) = 2x² - 4, find (-5) f(x).

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

User Scott Moonen
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7.5k points

2 Answers

6 votes
the answer is D:)
have a good day
User Adam Wise
by
7.1k points
4 votes

Answer:

D

Explanation:

(- 5)f(x)

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

= - 10x² + 20

User Ggeorge
by
6.9k points
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