what is the inverse of the function f(x)=1/4x-12
f(x) = ¹/₄x - 12 y = ¹/₄x - 12 x = ¹/₄y - 12 x + 12 = ¹/₄y 4(x + 12) = 4(¹/₄y) 4(x) + 4(12) = y 4x + 48 = y 4x + 48 = f⁻¹(x)
