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Mathematics
Problem
Find the inverse of the function
f
(
x
)
=
2
x
f(x)=2^{x}
f
(
x
)
=
2
x
. a)
log
x
2
\log_x 2
lo
g
x
2
b)
x
log
2
x\,\log 2
x
lo
g
2
c)
log
2
x
\log_2 x
lo
g
2
x
d)
1
log
2
x
\dfrac{1}{\log_2 x}
lo
g
2
x
1
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