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A cannonball is shot from a cannon on a 5 meter platform. The trajectory of the cannon's height is given by the equation: H(t) =

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A cannonball is shot from a cannon on a 5 meter platform. The trajectory of the cannon's height is given by the equation: H(t) = -5t2 + 30t + 5 Where H(t) is the height in meters at time t in seconds. a) Find the height at 3.5 seconds. b) Find the time at which the cannonball hits the ground. c) Find the times at which the cannonball reaches its maximum height. d) What is the maximum height

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