PLEASE HELP! Given the function f(x) = 3x2 − 4, what is f(-2)?
1 answer:
Answer: Variant C
Step-by-step explanation:
f(x) = 3x^2 − 4
For finding f(-2) just replace x with - 2 like this:
f(-2)=3*((-2))^2-4=3*4-4=12-4=8
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