Question

Sendo P(x)=x² -5x+3, obtenha o valor de:
a)p(-1)= b)p(2)
OBS:URGENTE

Answer 1

Olá Gabriel !

P(x) = x^2 - 5x + 3

a) P(- 1)

P(- 1) = (- 1)^2 - 5.(- 1) + 3
P(- 1) = 1 + 5 + 3
P(- 1) = 9

b) P(2)

P(2) = 2^2 - 5 . 2 + 3
P(2) = 4 - 10 + 3
P(2) = - 3