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What is the amplitude of the function graphed?

Graph of a sinusoidal curve. The horizontal axis ranges from negative 5 to 5 in increments of 1. The vertical axis ranges from negative 3 to 7 in increments of 1. The curve passes through a maximum at begin ordered pair negative 5 comma 6 end ordered pair, a minimum at begin ordered pair negative 3 comma negative 2 ordered pair, a maximum at begin ordered pair negative 1 comma 6 end ordered pair, a minimum at begin ordered pair 1 comma negative 2 end ordered pair, a maximum at begin ordered pair 3 comma 6 end ordered pair and a minimum at begin ordered pair 5 comma negative 2 end ordered pair.

Guest May 30, 2018
 #1
avatar+87691 
+2

We can find the amplitude  by finding the difference between the max value on the graph and the min  value on the graph and dividing this difference by 2

 

Max  value   = 6

Min value  = -2

 

So

 

[ (6)  -  (-2)  ]  / 2   =   [ 8 ]  / 2   = 4  = the amplitude

 

 

cool cool cool

CPhill  May 30, 2018

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