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F(x) = 2x² + 7x + 18
Find f(-4)

1 Answer

3 votes

Answer:

f(- 4) = 22

Explanation:

substitute x = = - 4 into f(x)

f(- 4) = 2(- 4)² + 7(- 4) + 18 = 2(16) - 28 + 18 = 32 - 10 = 22

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