1.	In a game of What's My Rule? the first clue was ''5 gives 12.'' Write a rule that fits this clue.
		A.	output = (input + 1) × 2	B.	output = 12 – 5
		C.	output = 5 × input + 2	D.	output = input + 5
		Hint
	2.	How many toothpicks are in Term 5?
		A.	9	B.	19
		C.	11	D.	16
		Hint
	3.	How many toothpicks are in Term 5?
		A.	28	B.	21
		C.	18	D.	22
		Hint
	4.	Find a rule for the toothpick sequence.
		A.	number of toothpicks = term number
		B.	number of toothpicks = 1 + term number
		C.	number of toothpicks = term number – 1
		D.	number of toothpicks = 2 × term number – 1
		Hint
	5.	How many toothpicks are in Term 100?
		A.	101	B.	99
		C.	100	D.	102
		Hint