1.	Given f(x) = x2 + 1 and g(x) = 2x - 1, find (f - g)(x).
		A.	x2 - 2x - 1	B.	x2 - 2x + 1
		C.	x2 - 2x + 2	D.	x2 + 2x
		Hint
	2.	Find (x) if f(x) = 3x2 + 1 and g(x) = 2x + 3.
		A.	12x2 - 36x + 28	B.	6x2 + 5
		C.	6x2 - 5	D.	12x2 + 36x + 28
		Hint
	3.	Find the first three iterates, x1, x2, and x3, of the function f(x) = 3x - 1 for an initial value x0=1.
		A.	-4, -13, -40	B.	5, 14, 41
		C.	2, 5, 14	D.	8, 23, 88
		Hint
	4.	Given f(x) = x-5 and g(x) = x2+ 3,find (f · g)(x).
		A.	x3 –5x2 +3x -15	B.	x3 +5x2 +3x-15
		C.	x2 –2x-15	D.	4x3 –2x
		Hint
	5.	Find the domain of f(g(x)) given f(x) = , and g(x) = x-1
		A.	x1	B.	x1,-1
		C.	all real numbers	D.	x0, 1, -1
		Hint