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Math Help - Finding domain

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    Finding domain

    What is the domain of this relation?

    x + 16y = 16

    Thanks.
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  2. #2
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    Quote Originally Posted by shenton View Post
    What is the domain of this relation?

    x + 16y = 16

    Thanks.
    Divide by 16,

    x/16 +y^2=1

    Thus,

    x^2/4^2+y^2/1^2=1

    This is an ellipse with vertical length of 4.

    Thus, the domain (the x part, which is vertical):
    -4<=x<=4
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