Question

Find the value of A that makes the following equation true for all values of x. (1/7)^x = A^-9x.

Answer 1

Answer:

D

Step-by-step explanation:

(1/7)^(x)=A^(-9x)

(1/7)^(x)=(A^(-9))^x

A^(-9)=1/7

A=(1/7)^9