1.	Business An analyst estimates that the computers his company just bought will depreciate at a rate of 25% per year. At this rate, approximately how long will it take a computer to depreciate to 30% of its original value?
		A.	3 years	B.	10 years
		C.	4 years	D.	5 years
		Hint
	2.	Paleontology A fossil is found that contains 10% of the amount of carbon-14 found in a living being. About how old is the fossil?
		A.	15,300 years	B.	17,600 years
		C.	20,700 years	D.	19,200 years
		Hint
	3.	Two cities have insect problems. The insects in City A increase exponentially according to the equation y = 120,000e0.04t. The insects in City B increase exponentially according to the equation y = 90,000e0.08t. In 15 years, which city will have more insects, and by approximately how much?
		A.	City A, by about 30,000	B.	City A, by about 80,000
		C.	City B, by about 80,000	D.	City B, by about 30,000
		Hint
	4.	A Mickey Mantle rookie card appreciates in value 2% every year. If it is worth $35,000 in 2000, when will it be worth $100,000?
		A.	2065	B.	2053
		C.	2043	D.	2093
		Hint
	5.	Suppose a new car loses value at 10% per year for the first 5 years. When should the owner sell it if they want to receive 75% of what they paid for it?
		A.	after 2.73 years	B.	after 2 years
		C.	after 3 years	D.	after 2.5 years
		Hint