Dadas as expressões polinomiais f(x) = 3x3 + 2x2 – 3x + 4, g(x) = x3 – x2 + 5x +1 e h(x) = - 2x3 + x2 – 4x + 2, determine:

a) (2,0) f(x) + g(x)=

b) (2,0) g(x) – h(x) =

c) (2,0) f(x) + g(x) + h(x)

d)(2,0) f(x) – g(x)