1.	Use the following table to find the population of bacteria in hour n.
		A.	6 × 30,000 n
		B.	30,0006n
		C.	180,000n
		D.	30,000 × 66
		Hint
	2.	The population of fish in Mark's lake is 500 this year. If the population increases by 6.9% a year, what number can Mark multiply this year's population by to estimate the fish population in the lake next year?
		A.	1.069	B.	0.0931
		C.	6.9	D.	1.69
		Hint
	3.	Use the following table to find the amount of medicine remaining in the bloodstream after n hours.
		A.	500 × 0.85n	B.	0.85 × 500n
		C.	425 × 0.85n	D.	0.85n
		Hint
	4.	Which curve represents exponential decay?
		A.	curve a	B.	curve c
		C.	curve d	D.	curve b
		Hint
	5.	Find the table that does not represent an exponential equation.
		A.
		B.
		C.
		D.
		Hint