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F(x) = –x^2 – 4x
Find f(-1)

1 Answer

5 votes

Answer:

3

Explanation:

Evaluate F(x) = –x^2 – 4x by substituting -1 for x:

F(-1) = –(-1)^2 – 4(-1)

This becomes:

F(x) = –1 + 4 = 3

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