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OpenStudy (anonymous):
f(x)=x^2-2x-4
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OpenStudy (anonymous):
what might the question be?
OpenStudy (anonymous):
\[1\pm \sqrt{5}\]
OpenStudy (anonymous):
=x
OpenStudy (anonymous):
?? x is a variable \[f(x)=x^2-2x-4\] is a function. x could be any number at all
OpenStudy (anonymous):
f(x)=x^2-2x-4
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