CourtGard
14.07.2021 •
Mathematics
SOMEONE HELP ME PLEASE
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Ответ:
The ball hits the ground after 7 seconds.
The ball is thrown from a height of 140 ft.
The ball reaches a maximum height of 320 ft, which occurs at 3 seconds.
Step-by-step explanation:
The easiest and fastest way to do this is to graph the equation in a graphing calc. When t = 0, we know that would be the y-intercept and we would find the initial height of the ball. The maximum vertex of the graph would be the maximum height of the ball (y-value) and where the graph crosses the x-axis would be where the ball hits the ground.