17 5 7 For each of The following functions, determine the derivatives on entire definition Area : ( a) f : C - C, f(z) := a" (a ER> fest); (b) f : C- C, f(z) := sin z; ( c ) f : C - C, f(2) : = 24ez; (d) f : (0, too) - RR, f(a) := (2020) 20