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Kim throws a stone off a bridge into a river below. The stone's height (in meters above the water ) X seconds after she threw it, is modeled by h (t) = - 5t2 + 20t + 60
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Kim throws a stone off a bridge into a river below. The

stone's height (in meters above the water ) X seconds after
she threw it, is modeled by
h (t) = - 5t2 + 20t + 60

User Raj Verma
by
7.8k points

1 Answer

6 votes

Answer:

it hit the ground at 6 sec

Explanation:

User Soorajlal K G
by
8.6k points
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