Alejandro90 Alejandro90

19-06-2017
Mathematics

contestada

If f(x) = 2x 2 square- x, find f(-3).
15
21
39

Respuesta :

19-06-2017

f(x)=2x^2-x
f(-3)=2(-3)^2-(-3)
f(-3)=2(9)+3
f(-3)=18+3
f(-3)=21

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