The following table shows the cubic inches C of air remaining in a leaky balloon t seconds after the leaking started.

 t 0 3 6 9 C 828 717 621 402?

A: Explain in practical terms the meaning of .

B: Use the average rate of change from  to   to estimate  at . Round your answer to two decimal places. C: Use your answer from part B to estimate the amount of air remaining in the balloon after 5 seconds. Round your answer to two decimal places.



What will be an ideal response?


A:  is the change in the volume of the balloon we expect over one second.

?

B: At ,  is approximately -32.00 cubic inches per second.

?

C: 653.00 cubic inches


Mathematics

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