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Mathematics
Problem
For the function
h
(
x
)
=
sgn
(
2
x
−
5
)
h(x)=\operatorname{sgn}(2x-5)
h
(
x
)
=
sgn
(
2
x
−
5
)
, find
h
(
x
)
h(x)
h
(
x
)
for each of the following values of
x
x
x
. a. (i)
x
=
2.5
x=2.5
x
=
2.5
b. (ii)
x
=
3
x=3
x
=
3
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