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Mathematics
Mathematics
Problem
At
x
=
3
x=3
x
=
3
the graph of a differentiable function
p
p
p
has a horizontal tangent line. Which of the following is true about
p
′
(
3
)
p'(3)
p
′
(
3
)
? a)
p
′
(
3
)
=
p
(
3
)
p'(3)=p(3)
p
′
(
3
)
=
p
(
3
)
b)
p
′
(
3
)
p'(3)
p
′
(
3
)
is undefined c)
p
′
(
3
)
=
0
p'(3)=0
p
′
(
3
)
=
0
d)
p
′
(
3
)
<
0
p'(3)<0
p
′
(
3
)
<
0
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