1.	If g(x) = |x + 3|, find g(-7).
		A.	10	B.	-7
		C.	-4	D.	4
		Hint
	2.	Identify h(x) = [x] + 4.
		A.	greatest integer function
		B.	direct variation function
		C.	constant function
		D.	absolute value function
		Hint
	3.	Choose the graph of f(x) = |x| - 2.
		A.		B.
		C.		D.
		Hint
	4.	If find f (-9).
		A.	-5	B.	5
		C.	-1	D.	1
		Hint
	5.	Suppose a plant grows one inch every year. If x is how old the plant is (in years), and f (x) is how tall the plant is (in inches), what type of function is f (x)?
		A.	constant function	B.	identity function
		C.	absolute value function	D.	step function
		Hint