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Minchanka [31]
3 years ago
10

PLEASE HELP ME! (80 POINTS UP FOR GRABS!!)

Mathematics
2 answers:
trasher [3.6K]3 years ago
4 0

Answer: A-

Step-by-step explanation:

matrenka [14]3 years ago
3 0

Answer: A

Step-by-step explanation:

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What is the period of y = 8 cos (5pie x + 3pie/2)-9<br> Give an exact value. Units
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\\ \rm\Rrightarrow y=Acos(Bx+C)+D

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Now our given function

\\ \rm\Rrightarrow y=8cos\left(5\pi x+\dfrac{3\pi}{2}\right)-9

On comparing we get

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Period:-

\\ \rm\Rrightarrow \dfrac{2\pi}{B}

\\ \rm\Rrightarrow \dfrac{2\pi}{5\pi}

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Step-by-step explanation:

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KonstantinChe [14]

Answer:  y=\frac{1}{30}x+1

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