Question

Which is f(-1) for the function f(x)= 3x^2+9

Answer 1

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

Answer 2

The answer is C. f(-1)=12

Hope this helps :)