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OpenStudy (anonymous):
On a movie set, an archway is modeled by the equation y = -0.5x2 + 3x, where y is the height in feet and x is the horizontal distance in feet. A laser is directed at the archway at an angle modeled by the equation -0.5x + 2.42y = 7.65 such that the beam crosses the archway at points A and B. At what height from the ground are the points A and B? 1.5 feet and 3.5 feet 1.5 feet and 4 feet 3.5 feet and 4 feet 4 feet and 4 feet
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