यदि $$f\left( x \right) = \left\{ {\matrix{ { - 1} & { - 2 \le x < 0} \cr {{x^2} - 1,} & {0 \le x \le 2} \cr } } \right.$$ और

$$g(x) = \left| {f\left( x \right)} \right| + f\left( {\left| x \right|} \right).$$

तो, अंतराल (–2, 2) में, g है :