判断下面分段函数的奇偶性 y={x^2+2(x>0);0(x=0);-x^2-2(x

问题描述:

判断下面分段函数的奇偶性 y={x^2+2(x>0);0(x=0);-x^2-2(x

(1)当x>0时,-x