Question

If f : R → R defined by f(x) = $\frac{3x+5}{2}$ is an invertible function, then find f^-1.
(a) $\frac{2x-5}{3}$
(b) $\frac{x-5}{3}$
(c) $\frac{5x-2}{3}$
(d) $\frac{x-2}{3}$

Answer 1

(a) $\frac{2x-5}{3}$