1.   A relation in which each member of the domain is paired with exactly one member of the range is called a(n)_______.
    A. equivalent equation B. ordered relation
    C. equivalent relation D. function
    Hint

  2.   The relation {(4, 6), (6, 1), (10, 2), (5, -1), (10, -2), (2, 6)} is _______.
    A. not a function, because the domain value 10 is paired with more than one element of the range B. a function, because all of the elements of the domain are positive
    C. not a function, because the range value 6 is paired with more than one element of the domain D. a function, because each element of the domain is paired with exactly one element of the range
    Hint

  3.   If f(x) = -5x + 8, find f(-1).
    A. 40 B. 2
    C. 3 D. 13
    Hint

  4.   The relation is ___________.
   
    A. not a function because it does not pass the horizontal line test
    B. a function because it passes the horizontal line test
    C. a function because it passes the vertical line test
    D. not a function because it does not pass the vertical line test
    Hint

  5.   If f(x) = 4x – 3, find f(j + 2).
    A. 4j – 3 B. 4j + 11
    C. 4j – 1 D. 4j + 5
    Hint