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Choose the function whose graph is given by: 

 

 

==

 Feb 19, 2019
 #1
avatar+102995 
+4

We have the form

 

y = cos (Bx)

 

B =  2pi / period

 

Note that the period = pi

 

So

 

B =  2pi / pi = 2

 

So....the correct answer is 

 

y = cos (2x)

 

cool cool cool

 Feb 19, 2019
 #2
avatar+315 
+1

Wow, awesome as always... thank you so much! smiley

Cupcake  Feb 19, 2019
 #3
avatar+102995 
+2

No prob....I didn't invent this junk....I just try to wade my way through it, too!!!

 

 

cool cool cool

CPhill  Feb 19, 2019

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