duck12 duck12
  • 10-05-2016
  • Mathematics
contestada

f(x) = −5x2 − x + 20, find f(3).

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 10-05-2016
sub 3 for x
f(3)=-5(3)^2-(3)+20
f(3)=-5(9)-3+20
f(3)=-45+17
f(3)=-28
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