the graph of ch(x) is the graph of h(x) stretched vertically by a factor of c if c>1 the graph of ch(x) is the graph of h(x) shrunk vertically by a factor of c if 0
人气:394 ℃ 时间:2020-10-01 22:02:26
解答
这里的系数c是乘以整个函数值h(x)的,所以是拉伸或收缩的关系
如果系数c是相加(或相减)整个函数值h(x),即h(x)+c或h(x)-c,那就是沿y轴上下平移.
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