解由x∈[-1,5],
知-1≤x≤5
即-2≤x-1≤4
即0≤|x-1|≤4
即-3≤|x-1|-3≤1
即-3≤y≤1
故函數(shù)的最大值為1,最小值為-3.
f(x)=|x-1|-3.x∈[-1,5],求函數(shù)的最大值和最小值
f(x)=|x-1|-3.x∈[-1,5],求函數(shù)的最大值和最小值
數(shù)學(xué)人氣:705 ℃時(shí)間:2020-07-25 02:11:02
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