Linear and Exponential Growth, Part II: Using Growth Models for Decay
In this part, you will look at two different scenarios where quantities are decreasing, so that we have decay rather than growth. Linear and exponential models can be used to model decreasing quantities in the same way they are used to model increasing quantities.
C. The amount of a particular pesticide in soil decreases by 1.15% per day after application. A homeowner applies 68 grams of the pesticide to a square yard section of lawn.
20. Based on the exponential decay model, when will there be no pesticide left in the section of lawn?
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