Respuesta :
F(3)=?
f(x)=2x^2+x+7
This simply means where you see x substitute it for 3
F(3) = 2(3^2) + 3 + 7
= 2(9) + 3 + 7
= 18 + 3 + 7
= 28
Therefore F(3) = 28
f(x)=2x^2+x+7
This simply means where you see x substitute it for 3
F(3) = 2(3^2) + 3 + 7
= 2(9) + 3 + 7
= 18 + 3 + 7
= 28
Therefore F(3) = 28