已知函数y=f(x)的图像与函数y=a²（a＞0且a≠1）的图像关于直线关于点对称y=x对称，记g(x)=f(x)

来源：蜘蛛抓取(WebSpider) 时间：2016-11-01 01:06 标签： 直线关于直线对称
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/etc/nginx/nginx.conf.已知函数f(x)的图像与函数y=a^(x-1)(a>1)的图像关于直线y=x-1对称,并且y=f(x)在区间[3,+∞]上总有f(x)>1求函数y=f(x)的解析式
█龙神涛涛83
）点P(x,y)关于直线y=x-1的对称点为Q(y+1,x-1),在y=a^(x-1)中以（y+1,x-1)代(x,y)得x-1=a^y,就得y=log(x-1)=f(x).
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扫描下载二维码已知a>0且a≠1,函数y=a^x与函数y=loga -x的图像是什么
数学之美团为你解答(1)当0&a&1时,指数函数y=a^x是减函数；y=loga&(-x)(x&0)的图像是与y=loga&(x)(x&0)关于y轴对称的,是增函数y=a^x的图像(a=1/2)：&&&y=loga&(-x)的图像(a=1/2)：(2)当a&1时,指数函数y=a^x是增函数；y=loga&(-x)(x&0)的图像是与y=loga&(x)(x&0)关于y轴对称的,是减函数y=a^x的图像(a=2)：&&y=loga&(-x)的图像(a=2)：
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