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Mathematics
Mathematics
Problem
If
f
(
x
)
=
∣
x
∣
+
∣
x
−
1
∣
+
∣
x
−
2
∣
f(x) = |x| + |x - 1| + |x - 2|
f
(
x
)
=
∣
x
∣
+
∣
x
−
1∣
+
∣
x
−
2∣
, then a.
f
(
x
)
f(x)
f
(
x
)
is has minima at
x
=
1
x = 1
x
=
1
b.
f
(
x
)
f(x)
f
(
x
)
has maxima at
x
=
0
x = 0
x
=
0
c.
f
(
x
)
f(x)
f
(
x
)
has neither maxima nor minima at
x
=
3
x = 3
x
=
3
d. none of these
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