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Mathematics
Mathematics
Problem
State the range of the function
f
(
x
)
=
1
x
f(x)=\dfrac{1}{x}
f
(
x
)
=
x
1
for
x
∈
R
,
x
≠
0
x\in\mathbb R,\;x\neq0
x
∈
R
,
x
=
0
.
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