The graph of [math: y=sin(x)] is reflected in the y-axis, then translated [math: π4] units left. Which of these equations gives the image of the transformed graph?单项选择题

题目图片
A

A. [math: y=sin(x+π4)]

B

B. [math: y=sin(−x+π4)]

C

C. [math: y=−sin(x−π4)]

D

D. [math: y=sin(−x−π4)]

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