# Rate of Change and Instantaneous Rate of Change

The effectiveness of E (on a scale from 0-1) of a pain killing drug t hours after entering the bloodstream is given by E= 1/27(9t+3t^2-t^3) o< or = t < or = to 4.5

Find the average rate of change E on the indicated intervals and compare this rate with the instantaneous rates of change at the end points of the intervals

a.) [1.2]

b.) [1,2].

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#### Solution Summary

Rate of change and instantaneous rate of change are investigated and the details are discussed in the solution.

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