由抛物线y2=x与直线x=2所围成图形的面积是 .
考点分析:
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,则满足条件的函数f(x)有( )
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执行右面的程序框图,输出的S值为( )
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C.
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D.
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如图,设D是图中所示的矩形区域,E是D内函数y=cosx图象上方的点构成的区域,向D中随机投一点,则该点落入E(阴影部分)中的概率为( )
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B.
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D.
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已知离心率为e的曲线
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=1,其右焦点与抛物线y
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A.
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B.
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C.
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D.
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