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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

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Horizontal stretch by a factor of 2
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
haha yeah that is correct longer period means its stretched out

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not by 1/2 tho right
right, "1/2" would mean the period got shorter
if it was cos(2x) .... that would be Horizontal stretch by factor of 1/2
thank you !!!!
yw :)

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