1.   Simplify .
    A. B. 5x
    C. 2x D.
    Hint

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

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

  4.   State the excluded value(s) of .
    A. , 2 B. –4, , 2
    C. –4 D. –4, 3, 2
    Hint

  5.   Simplify . State the excluded values of x.
    A. , excluded values are 1 and 3 B. , excluded values are 1 and 3
    C. , excluded value is 3 D. , excluded value is 3
    Hint



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