1.	Simplify Assume the denominator is not equal to zero.
		A.		B.
		C.		D.
		Hint
	2.	Use an exponent to write 177,147 as a power of 3.
		A.	319	B.	39
		C.	317	D.	311
		Hint
	3.	Which equation represents exponential growth?
		A.	y = 250 × 0.4c	B.	y = 250 · x
		C.	y = 250 × 0.25x	D.	y = 250 × 4x
		Hint
	4.	Which curve represents exponential decay?
		A.	curve d	B.	curve c
		C.	curve b	D.	curve a
		Hint
	5.	Evaluate.
		A.	6	B.	8
		C.	–6	D.	5
		Hint
	6.	Evaluate.
		A.	3	B.	–3
		C.	–2	D.	2
		Hint