1.   What is the graph of ?
    A. B.
    C. D.
    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 = a.
    C. There is a point discontinuity. D. There is a vertical asymptote at x = 0.
    Hint

  4.   What is the equation of the vertical asymptote of the function ?
    A. There is a hole at 4, not a vertical asymptote. B. x = 4
    C. x = –4 D. x = 5
    Hint

  5.   What is the equation of the vertical asymptote in the figure?
   
    A. x = 0 B. x =
    C. x = 3 D. y = 0
    Hint



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