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    regularuser's Avatar
    regularuser Posts: 4, Reputation: 1
    New Member

    May 27, 2006, 05:00 AM
    I have a problem:
    if z=x+y then f(z)=?
    (f(x,y):is given)
    please help me
    shanus's Avatar
    shanus Posts: 17, Reputation: 0
    New Member

    May 29, 2006, 10:51 PM
    you may not be understanding the terminology properly...
    f(z) is a function that is calculated from substituting in the variable z.
    f(x,y) is a function that is calculated from substituting in the variables x and y.

    If z = x + y
    and f(x,y) is given
    then f(x,y) = f(z)

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