Answer:
Answer is -6
Step-by-step explanation:
We can say that f(x) = 3x - 12
According to the question we have:
f(2) = 3x - 12
This means that x = 2
To solve this we substitute 2 in place of x
[tex]f(2) = 3(2) -12\\f(2) = 6-12\\f(2) = -6[/tex]
