Which is f(-1) for the function f(x)= 3x^2+9
2 answers:
Answer:
C. f(-1) =12
Step-by-step explanation:
f(x)= 3x^2+9
Let x=-1
f(-1) = 3(-1)^2 +9
= 3(1)+9
= 3+9
= 12
f(-1) =12
The answer is C. f(-1)=12
Hope this helps :)
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