題目列表(包括答案和解析)
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(1)當(dāng)b>0時(shí),若對(duì)任意x∈R都有f(x)≤1,證明a≤;
(2)當(dāng)0<b≤1時(shí),討論:對(duì)任意x∈[0,1],|f(x)|≤1的充要條件.
(1)當(dāng)b>0時(shí),若對(duì)任意x∈R都有f(x)≤1,證明a≤2;
(2)當(dāng)b>1時(shí),證明對(duì)任意x∈[0,1],|f(x)|≤1的充要條件是b-1≤a≤2;?
(3)當(dāng)0<b≤1時(shí),討論:對(duì)任意x∈[0,1],|f(x)|≤1的充要條件.?
(1)當(dāng)b>0時(shí),若對(duì)任意x∈R都有f(x)≤1,證明a≤2;
(2)當(dāng)b>1時(shí),證明對(duì)任意x∈[0,1],|f(x)|≤1的充要條件是b-1≤a≤2.
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