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7 votes
7 votes
F(x) = -4x2 + 4x – 4
Find f(3)

User Beer
by
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1 Answer

28 votes
28 votes

F(3) occurs when x =3. So lets plug 3 into our equation.


f(3) = -4(3)^2 + 4(3)-4\\f(3) = -4(9) + 12- 4\\f(3) = -36 + 12- 4\\f(3)= -28

F(3) = -28

I hope this helps! :)

User Dylan Karr
by
2.5k points