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Mathematics
Mathematics
Problem
Find the range of the function
h
:
R
→
R
h:\mathbb R \to \mathbb R
h
:
R
→
R
given by
h
(
x
)
=
⌊
x
⌋
+
sgn
(
x
)
h(x)=\lfloor x\rfloor + \operatorname{sgn}(x)
h
(
x
)
=
⌊
x
⌋
+
sgn
(
x
)
.
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