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Mathematics
Mathematics
Problem
Which of the following best describes the condition for a function
f
f
f
to have a vertical asymptote at
x
=
a
x=a
x
=
a
? a) As
x
→
a
x\to a
x
→
a
,
f
(
x
)
→
∞
f(x)\to \infty
f
(
x
)
→
∞
or
f
(
x
)
→
−
∞
f(x)\to -\infty
f
(
x
)
→
−
∞
. b) As
x
→
∞
x\to \infty
x
→
∞
,
f
(
x
)
→
a
f(x)\to a
f
(
x
)
→
a
.},{ c) As
x
→
a
x\to a
x
→
a
,
f
(
x
)
→
0
f(x)\to 0
f
(
x
)
→
0
.},{ d) As
x
→
a
x\to a
x
→
a
,
f
′
(
x
)
→
∞
f'(x)\to \infty
f
′
(
x
)
→
∞
.}],
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