1.   Use the following table to find the population of bacteria in hour n.
   
    A. 180,000n
    B. 6 × 30,000 n
    C. 30,000 × 66
    D. 30,0006n
    Hint

  2.   Suppose your parents buy a new car for $21,000. What will the value of the car be in 5 years if the car depreciates by 10% each year.?
    A. $12,400 B. $11,160
    C. $10,044 D. $15,309
    Hint

  3.   Identify the decay factor in the equation p = 1,508,069 × 0.89n where p is the bacteria population and n is the number of days after a vaccine was administered.
    A. n B. 0.89
    C. 1,508,069 D. p
    Hint

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

  5.   Which equation represents exponential decay?
    A. y = 63 × 4.4x B. y = 63 × 4x
    C. y = 63 × 0.4x D. y = · 63x
    Hint



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