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A hot air balloon descends to the ground. The function a(t) = 210 – 15t can be used to describe the altitude of the balloon as it approaches the ground. The time is in minutes
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A hot air balloon descends to the ground. The function a(t) = 210 – 15t can be used to describe the altitude of the balloon as it approaches the ground. The time is in minutes

User Golan
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2 Answers

4 votes

Answer:

the answer is C

Explanation:

User JimmyShoe
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when the balloon reaches the ground a(t) will be zero

the time when it reaches the ground can be calculated as follows

210 - 15t = 0
t = 210/15 = 14 minutes
User Pajar Fathurrahman
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