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

  2.   Find the first four iterates of the function f(x) = 7x + 2 if x0 = 3.
    A. 7, 12, 18, 36 B. 3, 23, 47, 81
    C. 23, 163, 1143, 8003 D. 23, 76, 114, 208
    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. 12, 14, -18, 26, -42 D. –14, -18, -26, -42, -74
    Hint

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

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



Glencoe
The McGraw-Hill Companies