3 years ago

Given the function f(x) = 3x2 − 4, what is f(-2)? A. -40 B. -16 C. 8 D. 32

Mathematics

2 answers:

adoni [48]3 years ago

8 0

^^ correct! It would be 8! Your answer is C.

Temka [501]3 years ago

3 0

All this is asking you to do is plug in -2 for x

f(x)=3x²-4

f(-2)=3(-2²)-4

f(-2)=12-4

f(-2)=8

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