1.已知M={x|x=a²+2a+4,a∈R},N={y|y=b²-4b+7,b∈R},则M,N的关系为2.已知A={x|x<-1或x>5},B={x|a≤x<a+4},若A真包含于B 求实数a的取值范围.3.已知集合A={x|-2≤x≤5},B={x|p+1≤x≤2p-1},若B包含于A,求实数p
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![1.已知M={x|x=a²+2a+4,a∈R},N={y|y=b²-4b+7,b∈R},则M,N的关系为2.已知A={x|x<-1或x>5},B={x|a≤x<a+4},若A真包含于B 求实数a的取值范围.3.已知集合A={x|-2≤x≤5},B={x|p+1≤x≤2p-1},若B包含于A,求实数p](/uploads/image/z/2434861-37-1.jpg?t=1.%E5%B7%B2%E7%9F%A5M%3D%7Bx%7Cx%3Da%26sup2%3B%2B2a%2B4%2Ca%E2%88%88R%7D%2CN%3D%7By%7Cy%3Db%26sup2%3B-4b%2B7%2Cb%E2%88%88R%7D%2C%E5%88%99M%2CN%E7%9A%84%E5%85%B3%E7%B3%BB%E4%B8%BA2.%E5%B7%B2%E7%9F%A5A%3D%7Bx%7Cx%EF%BC%9C-1%E6%88%96x%EF%BC%9E5%7D%2CB%3D%7Bx%7Ca%E2%89%A4x%EF%BC%9Ca%2B4%7D%2C%E8%8B%A5A%E7%9C%9F%E5%8C%85%E5%90%AB%E4%BA%8EB+%E6%B1%82%E5%AE%9E%E6%95%B0a%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4.3.%E5%B7%B2%E7%9F%A5%E9%9B%86%E5%90%88A%3D%7Bx%7C-2%E2%89%A4x%E2%89%A45%7D%2CB%3D%7Bx%7Cp%2B1%E2%89%A4x%E2%89%A42p-1%7D%2C%E8%8B%A5B%E5%8C%85%E5%90%AB%E4%BA%8EA%2C%E6%B1%82%E5%AE%9E%E6%95%B0p)
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