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Math Help - domain range

  1. #1
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    domain range

    really need help.

    f(m) = -2 / (-3+9m)
    how to find range on this?

    and how to find range on
    f(w) = 7 / ( -2 + |w| )

    sorry, need to know how you did it!
    <3
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  2. #2
    Senior Member
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    Crna Gora
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    Re: domain range

    Quote Originally Posted by tankertert View Post
    really need help.

    f(m) = -2 / (-3+9m)
    how to find range on this?

    and how to find range on
    f(w) = 7 / ( -2 + |w| )

    sorry, need to know how you did it!
    <3
    Use WA to sketch graphs of the functions.
    For the first one this is a graph ,so you can conclude that range is :

    y \in (-\infty , +\infty) \backslash \{0\}

    Brake second function in two cases and sketch graphs for the each one separately .
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