1.	The table below shows the population in the state of Illinois for the past 100 years, in 10-year increments. Between which two years did the population increase the most?
		A.	1950–1960	B.	1960–1970
		C.	1920–1930	D.	1990–2000
		Hint
	2.	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) = 1.01(5,336,159t)
		B.	I (t) = 1,650,710 (2.65t)
		C.	I (t) = 1,650,710(0.12t)
		D.	I (t) = 5,336,159(1.01t)
		Hint
	3.	The table below shows the population in the state of Illinois for the past 100 years, in 10-year increments. Predict the population in the year 2010.
		A.	14,875,967	B.	14,001,524
		C.	15,795,102	D.	12,565,300
		Hint
	4.	The table below shows the population in the state of Illinois for the past 100 years, in 10-year increments. Predict the population in the year 2050.
		A.	18,689,909	B.	15,573,246
		C.	20,010,342	D.	23,737,491
		Hint
	5.	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. Approximately what price gives the greatest revenue for a single day?
		A.	$32	B.	$15
		C.	$16	D.	$20
		Hint