1.   What is the graph of ?
    A. B.
    C. D.
    Hint

  2.   If y varies directly as x and y = 2 when x = 4, find x when y = 4.
    A. 4 B. 16
    C. 8 D. 2
    Hint

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

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

  5.   Simplify .
    A. B.
    C. D.
    Hint

  6.   What is the LCM of and .
    A. r(r – 1)(r + 3)(r + 9) B. r(r – 1)2(r + 3)(r + 9)
    C. (r – 1)(r + 3)(r + 9) D. (r – 1)2(r + 3)(r + 9)
    Hint

  7.   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. There is a vertical asymptote at x = a. B. There is a point discontinuity.
    C. f(a) = 0 D. There is a vertical asymptote at x = 0.
    Hint

  8.   The amount of work done by James and his relative distance to Samuel is inversely related. When James is 6 feet away from Samuel, he can get 13 assignments done per hour. How many assignments can James get done when he is 52 feet away from Samuel?
    A. 59 assignments B. 24 assignments
    C. 112.7 assignments D. 1.5 assignments
    Hint

  9.   When will it be true that ?
    A. always B. only when x is an integer
    C. never D. only when x is not an integer
    Hint

  10.   What type of function is the following?
   
    A. square root B. absolute value
    C. quadratic D. inverse variation
    Hint

  11.   John ran a marathon on a windy day. He ran the first 13 miles into the wind, and the last 13 miles with the wind at his back, and he completed the course in 3 hours. How fast is John in still conditions if the wind speed was 4 miles per hour?
    A. 12.7 mph B. –1.6 mph
    C. 8.7 mph D. 10.2 mph
    Hint

  12.   Solve .
    A. and 7 B. 0 and 7
    C. 7 D.
    Hint



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