1.   Which equation represents exponential decay?
    A. y = 1.05(0.95)x B. y = 1.7(1.06)x
    C. y = 2.62(1.22)x D. y = 0.86(1.46)x
    Hint

  2.   Which equation represents exponential growth?
    A. y = 2.03(5)x B. y = 9(0.5)x
    C. y = 6.38(1)x D. y = 3.96(0.65)x
    Hint

  3.   Which situation describes the expression 2?
    A. the population of a city that doubles every 10 years
    B. the air temperature when a cold front moves into the area and the temperature falls 2?every half hour
    C. areas of various rugs with side length t for the rug at stage t
    D. a coin collection where 2 coins are added each month
    Hint

  4.   Which table describes exponential growth?
    A. B.
    C. D.
    Hint

  5.   Which table describes exponential decay?
    A.
    B.
    C.
    D.
    Hint



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