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Math Help - Domain of ordered pairs

  1. #1
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    Domain of ordered pairs

    If f = {(1,2),(2,-4)} and g = {(0,3), (1,-2)}, find the following?

    a) f + g ; do they want me to do this: ( 1+0, 2+3), (2+0, -4 -2)
    b)Domaing of f+g
    c) f/g
    d) domain of f/g

    i dont get it
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  2. #2
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    Quote Originally Posted by NeedHelp18 View Post
    If f = {(1,2),(2,-4)} and g = {(0,3), (1,-2)}, find the following?

    a) f + g ; do they want me to do this: ( 1+0, 2+3), (2+0, -4 -2)
    b)Domaing of f+g
    c) f/g
    d) domain of f/g

    i dont get it
    Hi!

    What that is saying is,
    f(1)=2 and f(2)=-4
    and
    g(0)=3 and g(1)=-2

    And remember
    (f+g)(x)=f(x)+g(x)
    and (\frac{f}{g})(x)=\frac{f(x)}{g(x)}

    See if you can figure it out from here.
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