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How to use the proper formula

How to use the proper formula
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How to use the proper formula

How to use the proper formula-example-1
User Remy Wang
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8.9k points

2 Answers

4 votes
21 is the answer
thanks (:
User Hustnzj
by
8.3k points
3 votes
Just plugin -3 where the x is in
2x^2 - x

f(-3) = 2x^2 - x

f(-3) = 2(-3)^2 - (-3)

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

f(-3)= 18 - (-3)

f(-3) = 21

21 <------The answer

User Graeme Rocher
by
8.1k points
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