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Math Help - Smallest Possible Value of y

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    Smallest Possible Value of y

    If y = (4 - x)^2, what is the smallest possible value of y?
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    Quote Originally Posted by sharkman View Post
    If y = (4 - x)^2, what is the smallest possible value of y?

    The function y = (4 - x)^2 is simply y=x^2 moved horizontally and reflected. Therefore it will have the same min value for for y that y=x^2 has.
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