Question

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

Answer 1

Step 1:

Amplitudedefinition}.

`\mathrmA`

Step 2:

`\begin{gathered} f\left(x\right)=-3+9\sin \left(7x\right),\:A=9 \\ \mathrmTherefore,\:\:the\:amplitude\:9 \\ 9 \end{gathered}`

Final answer

Amplitude is 9