A pipe is filling a water tank. The volume of water, V, in liters, t minutes after the pipe starts filling the tank is given by the equation V = 7.5 +0.84t. Which statement is true? The number 7.5 represents the rate at which the pipe is filling the water tank. The number 7.5 represents the initial volume of water in the tank, in liters. The number 0.84 represents the initial volume of water in the tank, in liters. The number 0.84 represents the total volume of water in the tank, in liters, after t minutes.

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