题目

已知f(x)=ln(1+x)的定义域为集合M,g(x)=2x+1的值域为集合N,则M∩N=________. 答案: (1,+∞)解析 由对数与指数函数的知识,得M=(-1,+∞),N=(1,+∞),故M∩N=(1,+∞).The dictionary is what I want, but I don’t have enough money   me. A. by        B. for        C. in       D. with
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