Question

Let f(x) = 4^x then the value of f(x).f(1-x) = (A) 4 (B) 1 (C) 1/4(D) 2​

Answer 1

Answer:

Given - f(x) = 4^x , then f(1-x) = 4^(1-x)

∴ f(x) * f(1-x) = 4^x * 4^ (1-x)

                   = 4^ (1+1-x)

                   = 4^1

                  = 4

Answer is Option A - 4