For the two functions f(x) and g(x) what is the value of g(f(3)) the fisrt column is x: -5,-2,1,3 f(x):7, -5, 3, 2 x: -2, 1, 2, 3, g(x): 3, -1, -3, -5, .

Question

I already know the answer to this problem but I am having a hard time understanding how x equals 3 on the first column. Thus being able to figure out the rest.

Answer 1

From the tabular information given, f(3) = 2

 

Then g(f(3)) = g(2) = -3.