The rate at which snow fell on a cul-de-sac street on a particular day can be modeled by the function. y = -4x2+12x where y represents the rate of snowfall in cubic feet per hour, and x represents the time in hours. 7. Using the graph of the function to estimate the length of time that snow fell on this particular day, a student should determine the A) x-coordinate of the vertex B) y-coordinate of the vertex C) the difference between the x-intercepts D) the y-intercept

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A: the equation given to us is  y=x2-4x-5

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A: The answer is attached below,

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