1.   Find
    A. B. x2 - 5x + 6
    C. x - 2 D.
    Hint

  2.   Simplify
    A. B.
    C. D.
    Hint

  3.   For what value(s) of x is undefined?
    A. 6, 7 B. 7, –1
    C. 6 D. –1
    Hint

  4.   Simplify the expression .
    A. B.
    C. D.
    Hint

  5.   Assuming that , determine whether is sometimes, always, or never true.
    A. sometimes B. always
    C. cannot be determined from given information D. never
    Hint



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