3. A ball is thrown upward off of a platform. The height, in feet, of the ball at time t seconds is given by: h(t) = -16t2 + 60t + 45. a) When does the ball hit the ground? Round to the nearest hundredth. Show ALL work! (4 pts) b ) Why did you have to eliminate one of your answers in the question above? Explain using complete sentences. (2 pts) 14. The length of a rectangular garden is 5 more than twice its width. The area of the garden is 348 square feet. Find the dimensions of the garden. Show ALL work! (5