英语翻译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

问题描述:

英语翻译
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