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Suppose the "parent" fuction is f(x)=cos(x) and the "child" function has an amplitude of 8, a period of 2pi/3, and a phase shift (horizontal translation of pi/3 units to the right. Give the equation for the "child" function. Use the standard form for translations and scale changes. 

 

Ans is: y/8=cos(x-pi/3/1/3)

i dont get how?

 Apr 26, 2015

Best Answer 

 #1
avatar+126679 
+5

The "child" function is given by :

y = (8)cos3(x - pi/3)

See both here: 

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

 

  

 Apr 26, 2015
 #1
avatar+126679 
+5
Best Answer

The "child" function is given by :

y = (8)cos3(x - pi/3)

See both here: 

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

 

  

CPhill Apr 26, 2015

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