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Mathematics
Problem
The derivative of a twice-differentiable function
h
h
h
is decreasing on
(
0
,
3
)
(0,3)
(
0
,
3
)
and increasing on
(
3
,
7
)
(3,7)
(
3
,
7
)
. Determine the interval(s) on which
h
h
h
is concave down and state whether
x
=
3
x=3
x
=
3
is a point of inflection for
h
h
h
.
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