Question

Dado o polinômio p (x)= x³ + 2x + 1 calcule a) p(0)= b)p (3)= c) p (2)=

Answer 1

Resposta:

$p(x) = {x}^{3} + 2x + 1 \\ p(0) = {0}^{3} + 2(0) + 1 = 1 \\ p(3) = {3}^{3} + 2(3) + 1 = 27 + 6 + 1 = 34 \\ p(2) = {2}^{3} + 2(2) + 1 = 8 + 4 + 1 = 13$