f(x)=2的奇偶性？ 判断函数奇偶性f(x)=x^2-x
f\uff08x\uff09=\u4e28x-2\u4e28-\u4e28x+2\u4e28\u5224\u65ad\u51fd\u6570\u5947\u5076\u6027\u3002\u60f3\u77e5\u9053\u8fd9\u4e2a\u7edd\u5bf9\u503c\u7b26\u53f7\u662f\u8981\u5982\u4f55\u53bb\uff1f\u6025\u6c42\u3002\u7b54\uff1a
\u5224\u522b\u5f0f\u5947\u5076\u6027\u7684\u65f6\u5019\u4e0d\u9700\u8981\u53bb\u6389\u7edd\u5bf9\u503c\u53f7
f(x)=|x-2|-|x+2|\uff0c\u5b9a\u4e49\u57df\u4e3a\u5b9e\u6570R\uff0c\u5173\u4e8e\u539f\u70b9\u5bf9\u79f0
f(-x)=|-x-2|-|-x+2|
f(-x)=|x+2|-|x-2|
\u6240\u4ee5\uff1af(-x)=-f(x)
\u6240\u4ee5\uff1af(x)\u662f\u5947\u51fd\u6570
\u8be5\u51fd\u6570\u65e2\u4e0d\u662f\u5947\u51fd\u6570\u4e5f\u4e0d\u662f\u5076\u51fd\u6570\uff0c
\u539f\u56e0
\u7531f(x)=x^2-x
\u77e5f(-x)=\uff08-x\uff09^2-\uff08-x\uff09=x^2+x
\u5373f(-x)=x^2+x
\u6545f\uff08-x\uff09\u2260f\uff08x\uff09
\u4e14f\uff08-x\uff09\u2260-f\uff08x\uff09
\u6545\u8be5\u51fd\u6570\u65e2\u4e0d\u662f\u5947\u51fd\u6570\u4e5f\u4e0d\u662f\u5076\u51fd\u6570\u3002
f(x) =2
f(-x) = 2 =f(x)
f(x) 偶函数
非奇非偶
偶函数
恶臭的去欺骗青花瓷粉丝佛企鹅此刻才恢复温柔因为部分 i 后方去日哦他要不要
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