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Question 3 (Worth 3 points) (03.03 MC) The flight path of a rocket, launched from the ground, is modeled by y = 0.25(40x - x2), where y is the height of the rocket in feet from the ground and x is the time in seconds after it was launched. Find the vertex of the parabola and explain what it represents in terms of the context. (40, 0); rocket lands at 0 feet after 40 seconds O (20, 100); rocket reaches maximum height of 20 feet after 100 seconds O (40, 0); rocket reaches 40 feet after 0 seconds O (20, 100); rocket reaches maximum height of 100 feet after 20 seconds Points earned on this question: 0