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Math Help - need help verifying answer ...

  1. #16
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    Affirmative, human.
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  2. #17
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    Quote Originally Posted by maddas View Post
    Affirmative, human.


    how would i solve this problem? and if i did it right would the answer be (b) ?
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  3. #18
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    Quote Originally Posted by bringash View Post


    how would i solve this problem? and if i did it right would the answer be (b) ?
    Dear bringash,

    For \sqrt{5x} to be defined, x\geq{0},-----(1)

    For \sqrt{x+4} to be defined, x\geq{-4}------(2)

    By 1 and 2,

    x\geq{-4}

    Hope this will help you.
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