An object is thrown in the air with vertical velocity of 20 ft/s and horizontal velocity of 15 ft/s. The object’s height can be described by the equation y (t) = −16t2+20t  while the object moves horizontally with constant velocity 15 ft/s. Write parametric equations for the object’s position, and then eliminate time to write height as a function of horizontal position. How did you arrive at your conclusion(s) for this problem? Use the graphical equation editor if necessary to express your answer.

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