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Exponential Change Problem Solutions

# Exponential Change Problem Solutions - Exponential Change...

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Exponential Change Practice Problems John McRaven 1) Do these quantities change exponentially? Explain. A) Bacteria Populations. Yes. Assuming the bacteria have a constant food source, then each bac- teria will reproduce, and so the number of bacteria will increase faster when there are more bacteria. The change in the quantity depends on the quantity. B) E Th when water is heating up to some speciﬁc temperature. Yes. The rate at which energy leaves the system depends on the temper- ature. So, as the water approaches it ﬁnal temperature, its temperature will change slower. The change in the quantity depends on the quantity itself. C) E Th Generated by a resistor. No. The amount of thermal energy generated by a resistor is dependent upon the other circuit elements in the system. The change in the quantity is dependent upon other quantities, not the quantity itself. D) Money receiving compound interest. Yes. The interest returned on the money will depend on the amount of

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Exponential Change Problem Solutions - Exponential Change...

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