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Mathematics
Problem
Explain why the Mean Value Theorem cannot be applied to the function
f
(
x
)
=
∣
x
∣
x
f(x)=\dfrac{|x|}{x}
f
(
x
)
=
x
∣
x
∣
on the closed interval
[
−
1
,
1
]
[-1,1]
[
−
1
,
1
]
.
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