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7 October, 13:10

For the function w, w (9) = - 7, and w (-7) = 9. If y=w (x), what is the value of y when x=-7?

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  1. 7 October, 13:13
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    That question is already solved, here is the proof:

    w (-7) = 9

    which means that the function w in terms of - 7 equals 9

    the question is how much is the value of the function w (x) when x = - 7, that is, again:

    w (-7) = 9

    w (x) = y

    so the value of y is 9
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