Graphing Exponential Functions Worksheet Page 2

Regents Exam Questions A2.A.53: Graphing Exponential Functions

Name: ________________________

3 The strength of a medication over time is

4 An investment is earning 5% interest compounded

quarterly. The equation represents the total

−x

represented by the equation y = 200(1.5)

, where x

amount of money, A, where P is the original

represents the number of hours since the

investment, r is the interest rate, t is the number of

medication was taken and y represents the number

years, and n represents the number of times per

of micrograms per millimeter left in the blood.

year the money earns interest. Which graph could

Which graph best represents this relationship?

represent this investment over at least 50 years?

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