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babydoll332
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Describe the transformations required to obtain the graph of the function f(x) from the graph of the function g(x).
f(x) = cos x/2 ; g(x) = cos x
 2 years ago
 2 years ago
babydoll332 Group Title
Describe the transformations required to obtain the graph of the function f(x) from the graph of the function g(x). f(x) = cos x/2 ; g(x) = cos x
 2 years ago
 2 years ago

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babydoll332 Group TitleBest ResponseYou've already chosen the best response.1
Horizontal stretch by a factor of 2
 2 years ago

dumbcow Group TitleBest ResponseYou've already chosen the best response.1
the input into the "cos" function changed from x to x/2 this means the period has changed...a period is the time it takes for 1 cycle period = 2pi/B , where B is coefficient of x
 2 years ago

dumbcow Group TitleBest ResponseYou've already chosen the best response.1
haha yeah that is correct longer period means its stretched out
 2 years ago

babydoll332 Group TitleBest ResponseYou've already chosen the best response.1
not by 1/2 tho right
 2 years ago

dumbcow Group TitleBest ResponseYou've already chosen the best response.1
right, "1/2" would mean the period got shorter
 2 years ago

dumbcow Group TitleBest ResponseYou've already chosen the best response.1
if it was cos(2x) .... that would be Horizontal stretch by factor of 1/2
 2 years ago

babydoll332 Group TitleBest ResponseYou've already chosen the best response.1
thank you !!!!
 2 years ago
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