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# ​ Quick Help-Check My Answers

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Hello Everyone, I have answers to these questions I just want to make sure that my answers are correct. I just learned this material today, so I just want to be sure my answers are correct. There are two graph-like questions. Thanks much.

What is the equation of the midline of the sinusoidal function?

My answer= -3 Am I right?

What is the amplitude of the sinusoidal function?

My answer- 4 Am I right?

Guest Jan 25, 2018
edited by Guest  Jan 25, 2018
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1.

The maximum  y  value is  1  and the minumum  y  value is  -7

The equation of the midline is   y  =  (1 + -7)/2   =   -6/2   =  -3

The equation of the midline is  y  =  -3

2.

The maximum  y  value is  6   and the minimum  y  value is  -4 .

The amplitude is   (6 - -4)/2   =   10/2   =   5

hectictar  Jan 26, 2018

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