The function h(t) gives the height of a rock thrown off the Golden Gate Bridge in feet above the water at t seconds after it is thrown. h(t)=-16t2+30t+225 Question: How long after it's thrown will the rock hit the water? Enter your final answer rounded to the nearest tenth (one decimal place.) "Remember: When calculating, do not do any rounding until the end of your calculations. Enter the correct units for your answer in the second box. Answer: Approximately