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

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

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

  4.   What is the value of 5x when x = 5?
    A. 25 B. 3125
    C. 10 D. 5
    Hint

  5.   Which is the graph of y = 0.5x?
    A. B.
    C. D.
    Hint



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