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15 votes
15 votes
Write a sine function that has a midline of 5, an amplitude of 4 and a period of 7/5

User Soob
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1 Answer

20 votes
20 votes

Answer:


y=4sin((10\pi)/(7)x)+5

Explanation:

Recall formula


y=asin(bx+c)+d\\\\y=4sin(bx)+5

Determine b from period


(2\pi)/(b)=(7)/(5)\\ \\ 10\pi=7b\\\\b=(10\pi)/(7)

Final Equation


y=4sin((10\pi)/(7)x)+5

User Smido
by
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