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Home > PC3 > Chapter 4 > Lesson 4.3.2 > Problem 4-125


Recall that an exponential function, with a horizontal asymptote of , can be in the form where a is the initial value and is the multiplier. For each part below, determine the initial value, the multiplier, and the time units in each of the following situations.  

  1. Bread costs now and is increasing in price by each month.

    Initial value , multiplier , time is in months.

  2. A car is worth now and is depreciating in value by each year.

    Multiplier will be down from .

  3. Bacteria grow at a rate of every hour. There are currently .

  4. A investment earns interest every month.