1.   Determine the first five iterates of the function f(x) = 2x + 10 if the initial value is -12.
    A. –14, -18, -26, -42, -74 B. 12, -14, -18, -26, -42
    C. –12, -14, -18, -26, -42 D. 12, 14, -18, 26, -42
    Hint

  2.   Which of the following is not a recursive formula?
    A. B.
    C. D.
    Hint

  3.   What is an example of a recursive formula whose first three terms are 3, 6, and 9?
    A. B.
    C. D.
    Hint

  4.   Dave and Nick started out with a garden of 5 tomatoes. Each week, they grew three times as many tomatoes as the week before. How many tomatoes an do they grow in the nth week?
    A. 5 + 3n B. 3n
    C. 3 + an -1 D. 3an-1
    Hint

  5.   What is the 21st iterate of the function if x0 = 3.
    A. –1 B. –19
    C. –3 D. 3
    Hint



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