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Mathematics
Mathematics
Problem
Let
h
(
x
)
=
x
x
2
−
9
h(x)=\dfrac{x}{x^{2}-9}
h
(
x
)
=
x
2
−
9
x
. Which of the following
x
x
x
-values is NOT in the domain of
h
′
(
x
)
h'(x)
h
′
(
x
)
? a)
x
=
0
x=0
x
=
0
b)
x
=
−
3
x=-3
x
=
−
3
c)
x
=
3
x=\sqrt{3}
x
=
3
d)
x
=
2
x=2
x
=
2
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