P
Do
Homework
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Section
4.4
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The
inflection
point(s)
is/are
at
(Type
an
ordered
pair.
Use
a
comma
to
separate
answers
as
needed.)
v
There
are
no
inflection
points.
Identify
where
the
curve
is
concave
up
or
concave
down.
Select
the
correct
choice
below
and,
if
necessary,
fill
in
the
answer
box(es)
to
complete
your
choice.
The
curve
is
concave
up on the
interval(s)
and
is
never
concave
down.
(Type
your
answer
in
interval
notation.
Use
a
comma
to
separate
answers
as
needed.)
o
The
curve
is
concave
up on the
interval(s)
(-10,00)
and
is
concave
down
on
the
interval(s)
(-
oo,
-
10).
(Type
your
answer
in
interval
notation.
Use
a
comma
to
separate
answers
as
needed.)
The
curve
is
never
concave
up
and
is
concave
down
on
the
interval(s)
(Type
your
answer
in
interval
notation.
Use
a
comma
to
separate
answers
as
needed.)
X
The
curve
is
neither
concave
up
nor
concave
down.
Eland,
if
necessary,
fill
in
the
answer
box(es)
to
complete
your
choice.
You
answered:
D.
The
curve
is
neither
concave
up
nor
concave
down.
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