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Mathematics
Mathematics
Problem
Which of the following functions has a vertical tangent at
x
=
0
x=0
x
=
0
? a)
h
(
x
)
=
∣
x
∣
h(x)=|x|
h
(
x
)
=
∣
x
∣
b)
g
(
x
)
=
x
3
g(x)=\sqrt[3]{x}
g
(
x
)
=
3
x
c)
f
(
x
)
=
x
3
f(x)=x^{3}
f
(
x
)
=
x
3
d)
r
(
x
)
=
1
x
r(x)=\dfrac{1}{x}
r
(
x
)
=
x
1
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