kingshante24 kingshante24
  • 16-06-2017
  • Mathematics
contestada

If f(x) = 2x2 - x, find f(-3).

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gmany
gmany gmany
  • 21-07-2018

[tex]f(x)=2x^2-x[/tex]


Substitute the value of x = -3 to the equation:


[tex]f(-3)=2(-3)^2-(-3)=2(9)+3=18+3=21[/tex]

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