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OpenStudy (anonymous):
If f(x) = x2 - 1, find f(3). A. 2 B. 5 C. 8 D. -2
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OpenStudy (anonymous):
x^2 or 2x
OpenStudy (anonymous):
what is mean by x2 x^2 or 2x
OpenStudy (anonymous):
Oh, sorry. I meant x^2...
OpenStudy (anonymous):
C
OpenStudy (anonymous):
\[f(x)=x^2-1\] \[f(3)=3^2-1\] =9-1 =8
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