f(x)^-1 is asking for the inverse function of f(x). The first step to finding the inverse is: 1) change f(x) to y 2) switch x and y 3) resolve the equation for y =
f(x) = 4x - 3 y = 4x - 3 x = 4y - 3 add 3 to both sides x + 3 = 4y divide both sides by 4 (x + 3)/4 = y y = (x + 3)/4
