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Mathematics
Mathematics
Problem
Let
f
(
x
)
=
log
2
(
2
x
)
f(x)=\log_{2}\left(2^{x}\right)
f
(
x
)
=
lo
g
2
(
2
x
)
. Which of the following describes the range of
f
f
f
? a)
x
≥
0
x\ge 0
x
≥
0
b) All real numbers c)
x
>
0
x>0
x
>
0
d)
Z
\mathbb{Z}
Z
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