【急高中数学】看答案有一个地方没懂x属于[-1,3]时,f(x)的值域是[0,3],h(x)的值域[-9+c,c]故f(x1)-h(x2)的取值范围[-c,12-c],x1 、x2属于[-1,3] 要使f(x1)-h(x2)的绝对值
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![【急高中数学】看答案有一个地方没懂x属于[-1,3]时,f(x)的值域是[0,3],h(x)的值域[-9+c,c]故f(x1)-h(x2)的取值范围[-c,12-c],x1 、x2属于[-1,3] 要使f(x1)-h(x2)的绝对值](/uploads/image/z/12666303-63-3.jpg?t=%E3%80%90%E6%80%A5%E9%AB%98%E4%B8%AD%E6%95%B0%E5%AD%A6%E3%80%91%E7%9C%8B%E7%AD%94%E6%A1%88%E6%9C%89%E4%B8%80%E4%B8%AA%E5%9C%B0%E6%96%B9%E6%B2%A1%E6%87%82x%E5%B1%9E%E4%BA%8E%5B-1%2C3%5D%E6%97%B6%2Cf%28x%29%E7%9A%84%E5%80%BC%E5%9F%9F%E6%98%AF%5B0%2C3%5D%2Ch%28x%29%E7%9A%84%E5%80%BC%E5%9F%9F%5B-9%2Bc%2Cc%5D%E6%95%85f%28x1%29-h%28x2%29%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4%5B-c%2C12-c%5D%2Cx1+%E3%80%81x2%E5%B1%9E%E4%BA%8E%5B-1%2C3%5D+%E8%A6%81%E4%BD%BFf%28x1%29-h%28x2%29%E7%9A%84%E7%BB%9D%E5%AF%B9%E5%80%BC)
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