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Mathematics
Mathematics
Problem
Let
f
′
(
x
)
=
∣
x
−
2
∣
f'(x)=|x-2|
f
′
(
x
)
=
∣
x
−
2∣
for
0
≤
x
≤
4
0\le x\le4
0
≤
x
≤
4
. Identify all values of
x
x
x
in
(
0
,
4
)
(0,4)
(
0
,
4
)
at which
f
′
′
(
x
)
f''(x)
f
′′
(
x
)
does not exist.
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