nylahnwalker
01.12.2021 •
Mathematics
Hope tosses a ball into the air. The function h(t) = -5t2 +10t +6 gives the approximate height h, in meters, of the ball t seconds after she tosses it. When does the ball hit the ground? Does the ball reach a height of 12 meters? What is the maximum height of the ball?
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Ответ:
add -8 to both sides
5y + 8 - 8 = -2 - 8
5y + 0 = -10
5y = -10
x = -10/5 = -2
one solution