Question

The functions f(x) and (2) are shown below. Find f (3)-g() if f(3) = 27 and g(2) 2+ 3z + 7
3z_14
3.T=14​

Answer 1

I don't get it why u put 3 for f(x). However, in the picture, it shows the different one. But the answer to the question will only 3x.