Description of mathematics-algebra-functions

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Reference no: EM13119698

Rapid Transit -

After x weeks, the number of people using a new rapid transit system was approximately

N(x) = 6x^3 + 500x + 8000

a) At what rate was the use of the system changing with respect to time after 8 weeks?

b) By how much did the use of the system change during the eighth week?

Reference no: EM13119698

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