Rewrite the following exponential functions as logarithmic functions, and the logarithmic functions as exponential functions

Question

a)
f(x)=(7/8)^x

b)
f(x)=log12x

c)
f(x)=log5/9x

Answer 1

y = (7/8)^x
log(y) = x log(7/8)
...

y=log12x
10^y = 12x
...

and similarly for the last one.