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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
 one year ago
 one year ago
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
 one year ago
 one year ago

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babydoll332Best ResponseYou've already chosen the best response.1
Horizontal stretch by a factor of 2
 one year ago

dumbcowBest 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
 one year ago

dumbcowBest ResponseYou've already chosen the best response.1
haha yeah that is correct longer period means its stretched out
 one year ago

babydoll332Best ResponseYou've already chosen the best response.1
not by 1/2 tho right
 one year ago

dumbcowBest ResponseYou've already chosen the best response.1
right, "1/2" would mean the period got shorter
 one year ago

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