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【简答题】
已知f（x）=log a （x+1），点P是函数y=f（x）图象上的任意一点，点P关于原点的对称点Q形成函数y=g（x）的图象． （1）求y=g（x）的解析式； （2）当0＜a＜1时，解不等式2f（x）+g（x）≥0； （3）当a＞1，且x∈[0，1）时，总有2f（x）+g（x）≥m恒成立，求m的取值范围．
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举一反三
【单选题】Uncle Li and Uncle Wang live in the low and broken houses because ______.
A.
they hope to save money
B.
they're both poor
C.
they're not far from their farms
【简答题】阅读理解。 Uncle Li and Uncle Wang are good friends. They live next to each other and their farms are both at the foot of the mountain. So they can help each other. But neither of them likes to use his hea...
【单选题】Uncle Li and Uncle Wang were unhappy because ______.
A.
they had sustained losses in business
B.
they had lost some money in the city
C.
other people profited in the city
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