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OpenStudy (anonymous):
If f(x) = x2 - 1, find f(3).
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OpenStudy (abb0t):
plug in 3 for x.
OpenStudy (anonymous):
8
OpenStudy (abb0t):
correct.
OpenStudy (anonymous):
oh rly?
OpenStudy (abb0t):
assuming he meant x^2 and not 2x.
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OpenStudy (anonymous):
x^2
OpenStudy (abb0t):
Then yes, 8 is ur answer.
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