1.	Approximate 5(31.8) to the nearest hundredth.
		A.	32.90	B.	29.16
		C.	27.42	D.	36.12
		Hint
	2.	Which is the graph of y = 2.5x?
		A.		B.
		C.		D.
		Hint
	3.	Use a graph in order to approximate .
		A.	0.0045	B.	133.4
		C.	112.6	D.	0.0089
		Hint
	4.	A guest on a talk show tends to receive many phone calls right after she is on the show, and then the calls become less frequent. This can be represented by the equation y = 30(0.92)d, where y is the number of phone calls after d days. How many phone calls should she expect after a week?
		A.	2	B.	17
		C.	23	D.	28
		Hint
	5.	A guest on a talk show tends to receive many phone calls right after she is on the show, and then the calls become less frequent. This can be represented by the equation y = 20(0.53)d, where y is the number of phone calls after d days. On what day should she expect to have 3 calls?
		A.	2	B.	10
		C.	15	D.	3
		Hint