Question

P(X) =-4X³+2X²+X-1

 

CALCULE : P(1),P (2), p(-3) P(0

 

 

 

 

 

 

 

 

 

 

 

 

 

Answer 1

P(X) =-4X³+2X²+X-1 

CALCULE :

P(1)   = -4(1)³ + 2.1²+1-1 = -4+2+1-1 = -2
P (2)  = -4(2)³ + 2.2²+2 - 1 = -32+8+2-1 = -23
P(-3)  = -4(-3)³ + 2.(-3)² -3 +1 = 108 + 18 - 3 - 1 = 122
P(0)   = -4(0) + 2.0³ - 0 + 1 = 1