Question

Dados p(x)= -3x³ + x² + x -2 e g(x)= x³ - x² + x - 1, calcule p(-1) + g(1)

Answer 1

p (-1)=1
g (1)=0
p (-1)+ g (1) =
1+0
=1

Answer 2

-3.(-1)³ + (-1)²+ (-1) -2 + 1³- 1²+1-1=

3 +1-1-2+1-1+1-1=
4-3+0-0=
1-0=
1