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Math Help - finding domains

  1. #1
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    finding domains

    hi guys i have some exercises about findinfg domain that i cannot do

    z=square root of y-2x+x^2

    z=(square root of 2x-y+2 )-(square root of x+y+1)


    thanks in advance
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  2. #2
    MHF Contributor FernandoRevilla's Avatar
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    Quote Originally Posted by alessandromangione View Post
    hi guys i have some exercises about findinfg domain that i cannot do z=square root of y-2x+x^2
    Where the square root of a real number exists as a real number?


    z=(square root of 2x-y+2 )-(square root of x+y+1)
    The intersection of the corresponding domains.


    Fernando Revilla
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