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Mathematics
Mathematics
Problem
Which of the following is continuous everywhere in its domain but has atleast one point where it is not differentiable? a.
f
(
x
)
=
x
1
/
3
f(x) = x^{1/3}
f
(
x
)
=
x
1/3
b.
f
(
x
)
=
∣
x
∣
x
f(x) = \frac{|x|}{x}
f
(
x
)
=
x
∣
x
∣
c.
f
(
x
)
=
e
−
x
f(x) = e^{-x}
f
(
x
)
=
e
−
x
d.
f
(
x
)
=
tan
x
f(x) = \tan x
f
(
x
)
=
tan
x
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