tiwaribianca475
27.11.2021 •
Mathematics
The goalkeeper kicks the ball with an upward velocity of 19.8 ft/s, with his foot meeting the ball at a height of 30.5in above the ground. The quadratic function h=-16t^2+65t+1 represents the height of the ball h in feet after t seconds. Approximately how long does the ball stay in the air?
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Ответ:
B
Step-by-step explanation: