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.	Find the rule for the table below.
		A.	output = input + 3	B.	output = 3 × input + 1
		C.	output = 5 × input	D.	output = 3 × input – 1
		Hint
	3.	How many toothpicks are in Term 5?
		A.	11	B.	19
		C.	9	D.	16
		Hint
	4.	How many toothpicks are in Term 5?
		A.	21	B.	22
		C.	28	D.	18
		Hint
	5.	Find a rule for the toothpick sequence.
		A.	number of toothpicks = term number
		B.	number of toothpicks = 2 × term number – 1
		C.	number of toothpicks = 1 + term number
		D.	number of toothpicks = term number – 1
		Hint