The equation of the line tangent to the differentiable and invertible function f(x) at the point (5, 12) is given by y = ?3x + 27. Find the equation of the tangent line to f ?1 (x) at the point (12, 5)

m The equation of the line tangent to the differentiable and invertible function f{:1:]l at the point [5112} is given by y = 3:1: + 2?. Find the equation of the tangent line to f'l{:1:]l at the point {12,5}