1.   Simplify Assume the denominator is not equal to zero.
    A. B.
    C. D.
    Hint

  2.   Use an exponent to write 177,147 as a power of 3.
    A. 311 B. 39
    C. 317 D. 319
    Hint

  3.   Which equation represents exponential growth?
    A. y = 250 × 0.25x B. y = 250 · x
    C. y = 250 × 0.4c D. y = 250 × 4x
    Hint

  4.   Which curve represents exponential decay?
   
    A. curve b B. curve a
    C. curve d D. curve c
    Hint

  5.   Evaluate.
    A. 6 B. 8
    C. –6 D. 5
    Hint

  6.   Evaluate.
    A. 3 B. –2
    C. 2 D. –3
    Hint



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