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Problem
Problem
The maximum value of function
f
(
x
)
=
∣
x
∣
−
2
−
x
2
∣
x
∣
+
1
f(x)=\frac{|x|-2-x^2}{|x|+1}
f
(
x
)
=
∣
x
∣
+
1
∣
x
∣
−
2
−
x
2
, is (a) -4 (b) -3 (c) -2 (d) -1
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