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Mathematics
Mathematics
Problem
In one sentence, explain why a change in sign of
f
′
(
x
)
f'(x)
f
′
(
x
)
at
x
=
c
x=c
x
=
c
can create an inflection point for the accumulation function
F
(
x
)
=
∫
a
x
f
(
t
)
d
t
F(x)=\int_{a}^{x} f(t)\,dt
F
(
x
)
=
∫
a
x
f
(
t
)
d
t
.
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