Let f : R → R + be defined by f(x) = a x , a 0 and a ≠ 1. Write f –1 (x).

Question

Let f : R → R + be defined by f(x) = a x , a > 0 and a ≠ 1. Write f –1 (x).

Philoid · Accepted Answer

Given:-

(i)f : R → R⁺

(ii)f(x) = a^x, a > 0 and a ≠ 1

Let

f(y)=x

a^y=x