1.   Which equation is graphed below?
   
    A. B.
    C. D.
    Hint

  2.   Three ordered pairs for f(n) = 2n - 1 are (-1, -3), (1, 1), and (2, 3). Graph the function.
    A.
    B.
    C.
    D.
    Hint

  3.   The function f(n) = 2.65n + 28.9 estimates the height in inches for a boy who is n years old. Choose values for n and graph the function.
    A.
    B.
    C.
    D.
    Hint

  4.   Find a rule for the relationship between the number of dots d and the stage number n.
   
    A. n = 3d – 1 B. n = 2d + 1
    C. d = 3n – 1 D. d = 2n + 1
    Hint

  5.   Find a rule that fits the numbers in this table.
   
    A. d = 3n + 2 B. d = 2n + 3
    C. n = 3d – 2 D. n = 2d – 3
    Hint



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