函数奇偶性的判断与应用

The Judgment and Application on the Parity of Function

准确地判断函数的奇偶性,首先要正确理解奇(偶)函数的定义,其次要掌握有效的判断方法.学习的目的在于应用,利用函数的奇偶性可以解决求值、方程、不等式等问题.

In order to judge the parity of function, the definition of odd（even） funetion should be understood firstly and the effective judgment method mastered secondly. The aim of learning is to apply, the issue of evaluation, quations, inequality eoule be solved by applying the parity of function.