Essay
A balloon is initially full of air, but then it springs a leak.Air leaks at a constant rate from the balloon.After a while the leak is patched and a pump is attached to the balloon.It is re-inflated to its original volume: Air is pumped at a constant rate that is larger than the rate of the leak.Let B denote the volume, in cubic inches, of air in the balloon after t minutes.The graph of B versus t from the time the balloon springs a leak until it is fully re-inflated is shown.Make the graph of 
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Correct Answer:
Verified
Correct Answer:
Verified
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