Let \(f(x) = 2x - 3\) and \(g(f(x)) = 5-4x.\) Find \(g(4).\)
First , find f(4) then substitute THAT value into the g(x) formula ....
f(x) = 2x - 3 = 4
2x = 7
x = 7/2
g(4) = g(f(7/2)) = 5 - 4(7/2) = -9