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OpenStudy (anonymous):

CAN SOMEBODY PLEASE ANSWER THIS?!

OpenStudy (anonymous):

|dw:1331586775820:dw|

OpenStudy (anonymous):

need a value fo r x or for f(x), what you posted is just an equation and could be anything, you can solve for f(x) or for x but you need one of the known variables, f(x) is just y so its really y=sqrt(x+4) so if you want an answer with just one variable we need the other

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