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F(x) = 4x² + 7x + 18Find f(-9)

F(x) = 4x² + 7x + 18Find f(-9)
asked 99.3k views
4 votes
F(x) = 4x² + 7x + 18Find f(-9)

asked
User Ainokna
by
7.9k points

1 Answer

2 votes

Answer: 279

Work Shown:

f(x) = 4x² + 7x + 18

f(-9) = 4(-9)² + 7(-9) + 18

f(-9) = 4(81) + 7(-9) + 18

f(-9) = 324 - 63 + 18

f(-9) = 279

answered
User Christian Siegert
by
7.8k points
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