1.	Find the first four iterates of the function f(x) = 7x + 2 if x0 = 3.
		A.	23, 163, 1143, 8003	B.	7, 12, 18, 36
		C.	3, 23, 47, 81	D.	23, 76, 114, 208
		Hint
	2.	Which of the following is not a recursive formula?
		A.		B.
		C.		D.
		Hint
	3.	Dave and Nick started out with a garden of 5 tomatoes. Each week, they grew three times as many tomatoes as the week before. How many tomatoes an do they grow in the nth week?
		A.	3 + an -1	B.	3n
		C.	3an-1	D.	5 + 3n
		Hint
	4.	Cody and Earl started their first week with a garden of 20 tomatoes. Each week, they grew three times as many tomatoes as they had at their home. If they eat 10 tomatoes per week, how many tomatoes will be grown in the fifth week?
		A.	420	B.	150
		C.	1620	D.	1570
		Hint
	5.	What is the 21st iterate of the function if x0 = 3.
		A.	–19	B.	3
		C.	–1	D.	–3
		Hint