a) Graph the quadratic function  4v2 + 5v − 2  using a horizontal span from 0 to 10.   b)Find the velocity of the water in the pipe if its diameter is 4 inches, its length is 1000 feet, and the reservoir is 50 feet deep. (Round your answer to two decimal places.)   c) If the water velocity is too high, there will be erosion problems. Assuming that the pipe length is 1000 feet and the reservoir is 50 feet deep, determine the largest pipe diameter that will ensure that the water velocity does not exceed 18 feet per second. (Round your answer to two decimal places.)

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