Question

For the function f(x) = 3x
Find f(4) =

Answer 1

12

Explanation:

f(x)=3x

x=4

f(4)=3(4)

f(4)=12

Answer 2

f(4) = 12

Explanation:

If you input 4 for x, the expression will look like this: f(4) = 3*4... 3 times 4 equals 12.