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Mathematics
Mathematics
Problem
For the function
g
:
R
→
[
0
,
∞
)
g:\mathbb{R}\to[0,\infty)
g
:
R
→
[
0
,
∞
)
given by
g
(
x
)
=
x
2
+
4
g(x)=x^{2}+4
g
(
x
)
=
x
2
+
4
, determine whether
g
g
g
is onto. Justify your answer.
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