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OpenStudy (anonymous):
If f(x) = x^2 - 1, find f(3). My answer is 2 Am I right? :)
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OpenStudy (anonymous):
your plugging 3 into x right?
OpenStudy (anonymous):
if you are 3^2-1 9-1 8
OpenStudy (anonymous):
Oh ok! I know what I did wrong :)
OpenStudy (anonymous):
Thank you! :)
OpenStudy (anonymous):
no problem
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