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Determine whether
f
(
x
)
=
−
8
x
+
73
is increasing or decreasing.
Determine whether
f
(
x
)
=
5
x
−
3
is increasing or decreasing.
Show that
f
(
x
)
=
x
2
is not a decreasing function between
a
=
−
10
and
b
=
2
by evaluating
f
′
(
1
)
.
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Lesson Specific Problems
Determine whether
f
(
x
)
=
−
8
x
+
73
is increasing or decreasing.
Determine whether
f
(
x
)
=
5
x
−
3
is increasing or decreasing.
Show that
f
(
x
)
=
x
2
is not a decreasing function between
a
=
−
10
and
b
=
2
by evaluating
f
′
(
1
)
.