1.	Airline ticket prices for a trip from New York to Chicago vary widely on the Internet. The following table lists the Internet store, airline, and price for a roundtrip ticket from New York to Chicago. Consider how airline tickets vary from store to store. What is the mean price of a ticket at Traveltix?
		A.	$115.96	B.	$116.09
		C.	$107.74	D.	$110.14
		Hint
	2.	Airline ticket prices for a trip from New York to Chicago vary widely on the Internet. The following table lists the Internet store, airline, and price for a roundtrip ticket from New York to Chicago. Consider how airline tickets vary from store to store. What is the mean price of a Cross Country ticket?
		A.	$106.62	B.	$123.60
		C.	$115.90	D.	$112.93
		Hint
	3.	The table below shows the population in the state of Illinois for the past 100 years, in 10-year increments. Find an exponential function I for which the input is the years after 1900, t, and the output is the approximate population of Illinois in that year.
		A.	I (t) = 5,336,159(1.01t)
		B.	I (t) = 1,650,710 (2.65t)
		C.	I (t) = 1.01(5,336,159t)
		D.	I (t) = 1,650,710(0.12t)
		Hint
	4.	Joseph bakes many plates of cookies to sell at the bake sale once a month. He found that the amount of money he received for selling the cookies depended on the price he asked. He created the graph below to estimate his revenue (money received) on a single day for any price. For what price(s) can get Joseph a revenue of about $100.
		A.	$8.50	B.	none of the above
		C.	$26	D.	$8.50, $26
		Hint