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Math Help - Precalculus

  1. #1
    Newbie
    Joined
    Jan 2009
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    15

    Precalculus



    find f+g

    find f-g

    find f*g

    find f/g
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  2. #2
    Member
    Joined
    May 2008
    Posts
    106
    Treat them just as you would algebraically for example

     f \times g = \sqrt{x+4} \times \sqrt{6-x}

     = \sqrt{(x+4)(6-x)}

     = \sqrt{-x^2+2x+24}
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