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F(x) = −5x2 − x + 20, find f(3).
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F(x) = −5x2 − x + 20, find f(3).

User Loren Cahlander
by
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1 Answer

7 votes
sub 3 for x
f(3)=-5(3)^2-(3)+20
f(3)=-5(9)-3+20
f(3)=-45+17
f(3)=-28
User Neel Shah
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