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Mathematics
Mathematics
Problem
Explain, in one sentence, why the function
f
(
x
)
=
x
2
f(x)=x^{2}
f
(
x
)
=
x
2
defined for all real numbers has the range
[
0
,
∞
)
[0,\infty)
[
0
,
∞
)
.
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