​Air Is Being Pumped into a Spherical Balloon at the Rate

question 63

Multiple Choice

​Air is being pumped into a spherical balloon at the rate of cm³/min,but there is a small hole in the balloon and at the same time air is leaking out at the rate of cm³/min. ​
​ ​
Which of the following is true for ,where t is measured in minutes?
​

• A)​ represents the volume of the balloon after the first 10 minutes.
• B)​ represents the increase in volume each minute during the first 10 minutes.
• C)​ represents the increase in volume during the first 10 minutes.

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