已知函数f（x）=Asin（ωx+φ）（A＞0，ω＞0，|ω|＜ π2 ）的部分图象如图所示，下列说法正确的是_刷题宝

题干

已知函数f（x）=Asin（ωx+φ）（A＞0，ω＞0，|ω|＜ π

2

）的部分图象如图所示，下列说法正确的是（）

A：函数f（x）的最小正周期为2π

B：函数f（x）的图象关于点（﹣ $\frac{5 π}{12}$ ，0）对称

C：将函数f（x）的图象向左平移 $\frac{π}{6}$ 个单位得到的函数图象关于y轴对称

D：函数f（x）的单调递增区间是kπ+ $\frac{7 π}{12}$ ，kπ+ $\frac{13 π}{12}$ （K∈Z）

上一题下一题 0.0难度选择题更新时间:2017-07-26 06:52:30

答案(点此获取答案解析）

D

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