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Help solve this , cause i don't know the answer .

Help solve this , cause i don't know the answer .
asked 95.7k views
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Help solve this , cause i don't know the answer .

Help solve this , cause i don't know the answer .-example-1
asked
User Shicheng Guo
by
8.0k points

1 Answer

0 votes

Answer:

A -6

Explanation:

f(x) = 2x² + 5x - 9

f(-3) = 2(-3)² + 5(-3) - 9

f(-3) = 2(9) + 5(-3) - 9

f(-3) = 18 + (-15) - 9

f(-3) = 18 - 15 - 9

f(-3) = 3 - 9

f(-3) = -6

answered
User BLC
by
7.8k points
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