SOLUTION: Let f (x) = -2x2 + x -4. Evaluate f (-9).

SOLUTION: Let f (x) = -2x2 + x -4. Evaluate f (-9).

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Question 402879: Let f (x) = -2x2 + x -4. Evaluate f (-9).
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given equation.

Plug in .

Square to get .

Multiply and to get .

Combine like terms.
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