Question

Given f(x)=3x-1 and g(x)=2x-3, for which value of x does g(x)=f(2)?
A.x=3/2 B.x=2 C.x=5/2 D.x=4

Answer 1

first you want to find what f(2) equals to.
To do this, substitute x = 2 into f(x) = 3x-1
Basically, wherever you see an "x" in f(x) = 3x -1, replace it with a 2 instead.