题干
函数
的图象，可由函数
的图象经过下述___ 变换而得到（ ）.
的图象，可由函数的图象经过下述___ 变换而得到（ ）.
A：向右平移个单位，横坐标缩小到原来的，纵坐标扩大到原来的3倍
B：向左平移个单位，横坐标缩小到原来的，纵坐标扩大到原来的3倍
C：向右平移个单位，横坐标扩大到原来的2倍，纵坐标缩小到原来的![](http://tiku.21cnjy.com/tikupic/2 </p>
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<a href="/question/4126071.html">上一题</a> <a href="/question/4126073.html">下一题</a> 0.0难度 选择题 更新时间:2019-12-11 03:55:18
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<h2 class="title daan" data="4126072">答案(点此获取答案解析）</h2>
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B
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化简分式 <math xmlns=)