1.   Find the first four terms of the sequence in which a1= -5 and
an+1 = an + 1.
    A. -5, -4, -3, -2 B. –4, -3, -2, -1
    C. 4, 3, 2, 1 D. 5, 4, 3, 2
    Hint

  2.   What are the first six terms of the sequence in which a1= 7 and
an+1= an - 3?
    A. –3, 7, -8, -2, -5, -8
    B. 1, 2, 7, 9, 12, 17
    C. 7, 4, 1, -2, -5, -8
    D. 7, -3, 4, 1, 2, -1
    Hint

  3.   Determine the first five iterates of the function f(x) = 2x + 10 if the initial value is -12.
    A. 12, -14, -18, -26, -42 B. –12, -14, -18, -26, -42
    C. –14, -18, -26, -42, -74 D. 12, 14, -18, 26, -42
    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. 3 + an -1 B. 3an-1
    C. 3n D. 5 + 3n
    Hint

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



Glencoe
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