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1. What is the amplitude, period, and frequency of this function graphed?

 

2. What is the equation of the midline of the function

 

3. Write a cosine function that represents the graph

 

 Jan 28, 2019
edited by kikidylm  Jan 28, 2019
 #1
avatar+76 
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the period is 3.14 (the distance from one peak to the next)

the amplitude would be 2 as it is the distance between the centre point and peak

the frequency is 1/3.14 

the equation of the midline of the function would be x=-3

wink

ignore if blatantly wrong surprise haha

 Jan 28, 2019
 #2
avatar+102372 
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You are close...HMB....!!!

 

The equation of the midline is  y = - 3

 

3.  The equation is

 

y = 2cos (2x) - 3

 

 

cool cool cool

 Jan 28, 2019
 #3
avatar+377 
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What is a cosine function that represents the graph??

kikidylm  Jan 28, 2019
 #4
avatar+76 
+1

it is the one highlighted in red at the bottom on @cphill 's answer 

HoldMyBeer  Jan 28, 2019
edited by HoldMyBeer  Jan 28, 2019
 #5
avatar+102372 
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Thanks, HMB.....!!!!

 

 

cool cool cool

CPhill  Jan 28, 2019
 #6
avatar+377 
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oh okay thanks!

kikidylm  Jan 28, 2019

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