Often sales of a new product grow rapidly at first and then level off with time.

Question

Often sales of a new product grow rapidly at first and then level off with time. This is the case with the sales represented by the function S(t) = 200 - 500t-1, where t represents time in years. Find the rate of change of sales for the following number of years. 4 years The rate of change in sales after 4 years is (Type an integer or decimal rounded to the nearest thousandth as needed.) 10 years The rate of change in sales after 10 years is (Type an integer or decimal rounded to the nearest thousandth as needed.)

Explanation / Answer

500/t^2 so after 4 y=31.25 so after 10y=5

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