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Y_Kistochka [10]
3 years ago
13

How to use the proper formula

Mathematics
2 answers:
mrs_skeptik [129]3 years ago
4 0
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

Elis [28]3 years ago
3 0
21 is the answer
thanks (:
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