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A sine function has the following key features:

Period = 4

Amplitude = 3

Midline: y= −1

y-intercept: (0, -1)

 

The function is not a reflection of its parent function over the x-axis.

 

Use the sine tool to graph the function. The first point must be on the midline and the second point must be a maximum or minimum value on the graph closest to the first point.

 

 Jan 19, 2020
 #1
avatar+21763 
+1

Sin function

     sin (x)

Not reflected

    sin(x)

Period = 4

    sin ( pi/2 * x)

Amplitude 3

   3  sin (pi/2 *x)

Midline y = -1    (shifted down 1)

   3 sin (pi/2 * x ) -1

y-interxcept = -1      ......   does not change this sin wave.....

 

Picture:

 

https://www.desmos.com/calculator/fysnpyj84e

 Jan 19, 2020

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