Let \(f(x) = 2x - 3\) and \(g(f(x)) = 5-4x.\) Find \(g(4).\)
5-4(4)
5-16
-11
Actually i'm confused, it's either -15 or -11, I don't remember 6th grade math.
Yay!
When g(f(x)) = g(4) it means that f(x) = 4
So 4 = 2x - 3 or x = 7/2
So g(4) = 5 - 4*7/2 or g(4) = -9
