When a ball is thrown vertically upward on the moon with a velocity of 15 ft/sec its height, y(t), in feet after t seconds is given by y(t) = 15t-3t². Find the average velocity of the ball over the interval from 2 to 2 + h seconds, h‡0. Select all that apply 1. avg vel. (6h-6) ft/sec 2. avg vel. = = 3. avg vel. = 4. avg vel. = (6 - 3h) ft/sec (6h-3) ft/sec -(6 + 6h) ft/sec 5. avg vel. = (3-3h) ft/sec 6. avg vel. = -(3+3h) ft/sec

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