1.   The range of the function f(x) = ex - 2 is _______.
    A. all real numbers > 0 B. all real numbers < 0
    C. all real numbers > -2 D. all real numbers < -2
    Hint

  2.   Which equation is represented by the graph?
   
    A. y = 2ex B. y = -2e-x
    C. y = 2e D. y = -2ex
    Hint

  3.   Find the balance of a $5,000 investment after 10 years earning 6.75% interest compounded continuously.
    A. $9,820.16 B. $10,033.86
    C. $5,349.15 D. $5,033.86
    Hint

  4.   Find the balance of a $500 investment after 18 years earning 7.9% interest compounded continuously.
    A. $2,072.70 B. $541.10
    C. $502.20 D. $2,146.32
    Hint

  5.   Which of the following equations models exponential growth in terms of e?
    A. y = (108)e.054t B. y = (-10) e-2.74t
    C. y = (106) e-.0223t D. y = (108) e-4.6t
    Hint