The height of the broken bucket, in metres, above the surface of the water, y, after x seconds can be modelled by the function shown below. y = 3.2sin(0.42x – 2.1) +1.9 5. In each rotation, the length of time that the broken bucket is visible above the surface of the water can be found by analyzing the A. y-intercept B. period of the function C. difference between the two smallest positive x-intercepts D. difference between the maximum value and the minimum value of the function 6. The diameter of the water wheel is the A. y-intercept B. period of the function C. difference between the two smallest positive x-intercepts D. difference between the maximum value and the minimum value of the function
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