morganadkins97 morganadkins97

06-07-2017
Mathematics

contestada

If f(x) = 2x^2 - x, find f(-3).

Respuesta :

paulrizzi paulrizzi

06-07-2017

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

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06-07-2017

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

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

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

f(-3)=18+3

f(-3)=21

Answer Link

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