PLEASE HELP
The sinusoidal function f(x)=42sin(9x−π/10)+42 models the height, in centim...
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Mathematics, 17.03.2020 05:56 katia87
PLEASE HELP
The sinusoidal function f(x)=42sin(9x−π/10)+42 models the height, in centimeters, that a valve stem of the a tire is above ground x seconds after the tire begins to rotate.
How long does it take the valve stem to complete one revolution?
Enter your answer, rounded to the nearest hundredth of a second
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