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OpenStudy (anonymous):
Solve the equation for y in terms if x, and replace y with functions notation f(x). Then find f(3). y+4x^2=4 f(x)=
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OpenStudy (anonymous):
\[y=4-4x^2\] is a start
OpenStudy (anonymous):
I dont understand where to go from there
OpenStudy (anonymous):
write \[f(x)=4-4x^2\] and you are done
OpenStudy (anonymous):
so to find f(3) I just replace x with 3
OpenStudy (anonymous):
yes
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