The equation of the reflection line for the graphs of and is:

MATHEMATICS · Single correct · A Level · Mathematics · Algebra and Functions · Algebra and Functions

Problem

The equation of the reflection line for the graphs of

f(x) = b^x

and

g(x) = \left(\frac{1}{b}\right)^x

is: (A)

x = 0

(B)

y = 0

(C)

y = x

(D)

y = b