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设，则f（7）的值为 ．
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高一上学期数学《》真题及答案
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4
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7
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A
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设函数=则的值为
设ab∈R.a＋bi＝i为虚数单位则a＋b的值为________.
已知函数fx=a＞0Ⅰ求证fx必有两个极值点一个是极大值点一个是极小值点Ⅱ设fx的极小值点为α极大值
设则A500的值为
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B
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设函数在0+内有定义对于给定的正数K.定义函数取函数恒有则
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函数的定义域为
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复数＝
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函数的零点所在区间是
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K.的最小值为 K.的最大值为2 K.的最小值为2
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