donniegraves55 donniegraves55

13-09-2017
Mathematics

contestada

if f(x)=3x^2-x, find f(-2)

Respuesta :

dpokharnaotzjgn dpokharnaotzjgn

13-09-2017

First, you need to plug in -2 for x in the expression.
3x(-2)^2-(-2)=
3x4+2=
12+2=
14

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