Given y = -3 + 9 sin 7x , the amplitude is ___

NSSec asked Mar 4, 2023

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28 votes

NSSec asked Mar 4, 2023

by NSSec

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14 votes

Solution

Step 1:

Amplitudedefinition}.

$\mathrmFor\:f\left(x\right)=A\cdot \sin \left(Bx-C\right)+D\:the\:amplitude\:is\:$

Step 2:

$\begin{gathered} f\left(x\right)=-3+9\sin \left(7x\right),\:A=9 \\ \mathrmA9 \\ 9 \end{gathered}$

Final answer

Amplitude is 9

Jason Sims answered Mar 9, 2023

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