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（浙江专用）2020版高考数学大一轮复习课时92.7函数图象教师备用题库.docx

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12.7 函数图象教师专用真题精编(2018 课标全国理,3,5 分)函数 f(x)= 的图象大致为( )ex-e-xx2答案 B 本题主要考查函数的图象.因为 f(x)的定义域关于原点对称且 f(-x)=-f(x),所以 f(x)为奇函数,排除 A 选项;由 f(2)= 1,排除 C、D 选项 .故选 B.e2-1e24

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