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Mathematics
Problem
Explain in one or two sentences why the polynomial
g
(
x
)
=
x
3
g(x)=x^{3}
g
(
x
)
=
x
3
has range
R
\mathbb R
R
whereas the polynomial
h
(
x
)
=
x
2
h(x)=x^{2}
h
(
x
)
=
x
2
does not.
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