Can someone please help me with this!!!

Emil Salageanu asked Nov 6, 2023

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Emil Salageanu asked Nov 6, 2023

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14 votes

Answer: D

Explanation:

We know the midline is at y=40, so eliminate A and B.

The period is 160, so
$(2\pi)/(b)=160\\\2pi =160b\\b=(\pi)/(80)$

This eliminates option C, leaving us with D.

Pengibot answered Nov 13, 2023

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