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what is the amplitude of the sinusoidal function shown?

 

edit: 2 right?

 Jan 15, 2021
edited by lovesosa12  Jan 15, 2021
 #1
avatar+128089 
+2

We have the form

 

y= asin (x + b)

 

The function is

 

y = -4sin( x+ pi/2)

 

The amplitude = l a l  =  l -4 l   = 4

 

Also.....The midline  is y = 0

 

The amplitude is the height of the curve  above the midline =  4

 

 

 

See the graph here :

https://www.desmos.com/calculator/o06yqc9wkk

 

 

cool cool cool

 Jan 15, 2021

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