题目

函数的图象大致是 答案:【解析】因为,所以令,得,此时原函数是增函数;令,得,此时原函数是减函数,结合余弦函数图象,可得选C正确.I ________ that you had heard the story.A.took for grantedB.took that for grantedC.took it for grantedD.took as granted
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