1.	What is the equation of the vertical asymptote of the function ?
		A.	x = 1	B.	x = 2
		C.	x = -4	D.	y = 1
		Hint
	2.	The graph of has a hole at which point?
		A.	(-4, -8)	B.	(4, -8)
		C.	(-4, 8)	D.	(4, 8)
		Hint
	3.	If the rational expression of a function in simplest form is defined for x = a, but the original function is undefined for x = a, what happens at x = a?
		A.	f(a) = 0	B.	There is a vertical asymptote at x = 0.
		C.	There is a point discontinuity.	D.	There is a vertical asymptote at x = a.
		Hint
	4.	In a certain job, the function represents the amount of hours worked x in relation to the amount of stress f(x) felt by the workers. For what values of x does this graph have meaning?
		A.	for and x > 40, because stress is a non-negative quantity	B.	for
		C.	for all values of x	D.	for and x < 40
		Hint
	5.	Which of the following functions has a hole and a vertical asymptote?
		A.		B.
		C.		D.
		Hint