Question
Rewrite the following exponential functions as logarithmic functions, and the logarithmic functions as exponential functions
a)
f(x)=(7/8)^x
b)
f(x)=log12x
c)
f(x)=log5/9x
a)
f(x)=(7/8)^x
b)
f(x)=log12x
c)
f(x)=log5/9x
Answers
Steve
y = (7/8)^x
log(y) = x log(7/8)
...
y=log12x
10^y = 12x
...
and similarly for the last one.
log(y) = x log(7/8)
...
y=log12x
10^y = 12x
...
and similarly for the last one.