1.   Approximate 5(31.8) to the nearest hundredth.
    A. 32.90 B. 27.42
    C. 29.16 D. 36.12
    Hint

  2.   Which is the graph of y = 2.5x?
    A. B.
    C. D.
    Hint

  3.   For equations of the form y = ax, where a is a constant, what is true about a if the y-values change little for small values of x, but increase quickly for large x values?
    A. 0 < a < 1 B. –1 < a < 0
    C. a = 1 D. a > 1
    Hint

  4.   Use a graph in order to approximate .
    A. 112.6 B. 133.4
    C. 0.0089 D. 0.0045
    Hint

  5.   Use a graph to approximate 31.2.
    A. 3.7 B. 5.4
    C. 0.27 D. 3.12
    Hint



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