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Exponential Growth. A lily pad on a pond doubles in size every day. At the end of the fiftieth day, it entirely covers the pond. On which day did it cover half the pond?.
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A lily pad on a pond doubles in size every day. At the end of the fiftieth day, it entirely covers the pond. On which day did it cover half the pond?
Kelvyn was hired to wash windows at $40 per day. Hopps was hired to dry windows according to the following plan: $0.01 for day 1, $0.02 for day 2, $0.04 for day 3 and so on, with each day doubling the amount earned on the previous day. After 20 days, they both quit. Who earned more money? How much more?
Lindi deposited $1500 in a savings account. How much money will she have at the end of 6 years if the bank pays a simple interest rate of 8.5% per year?
By 1980 there were only 75 peregrine falcons in Alaska. People decided to try to save the endangered bird. Because of their efforts, the population grew by approximately 12% per year from 1980 to 1992. How many peregrine falcon were in Alaska in 1992?
Any quantity that grows by a fixed percent at regular intervals can be modeled by an equation shown above. • The constant a represents the initial amount before growth occurs. • The constant r represents the growth rate. • The quantity 1+r represents the growth factor.
