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OpenStudy (anonymous):
what is f(x)= x^2-1 and g(x)=2x+4 find (f of g)(x) ? is it 4x+12, 4x^2+16x+15, 4x^2-12x+4, or 4x-12?
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OpenStudy (kaiz122):
\[f(g(x))= (2x+4)^{2}-1 \] \[= 4x ^{2}+16+15\]
OpenStudy (kaiz122):
i mean \[4x ^{2}+16x +15\]
OpenStudy (anonymous):
thank you :)
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