Question

If f(x) = 3x - 12, what is f(2)?
O A. -18
O B. -6
O c. 6
O D. 18​

Answer 1

B.-6

Explanation:

Replace x with 2.

f(x)=3x-12

f(2)=3*2-12

f(2)=6-12

Therefore,f(2)=-6 ans.

Answer 2

Replace x with 2:

f(x) = 3x -12:

f(2) = 3(2) - 12

= 6 - 12

= -6