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Given the equation f(x) = 2x −1 to describe a functional association, write the function as a set of ordered pairs if the range is ℜ the real numbers and the domain is {0,1,2 }

Would the answer to this just be {(0,-1), (1,1), (2,3)}? Or am I thinking of this wrong?

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    $\begingroup$ Yes, that would be the answer. $\endgroup$
    – Asaf Karagila
    Sep 27 '15 at 3:16
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If the domain is {0,1,2} then yes you can write given function as {(0,-1), (1,1),(2,3)} Just f= {(x,f(x))|x is in domain}

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