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Mathematics
Mathematics
Problem
A function
f
f
f
has derivative
f
′
(
x
)
=
(
x
+
2
)
2
/
3
(
x
−
1
)
f'(x)=(x+2)^{2/3}(x-1)
f
′
(
x
)
=
(
x
+
2
)
2/3
(
x
−
1
)
for all real
x
x
x
. Identify every open interval on which
f
f
f
is increasing.
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