Question

Dada a função definida por:
F(x)= -4x³ + 2x² + x - 1 F(-1/4)

Answer 1

F(x)= -4x³ + 2x² + x - 1    para F(-1/4)  

F(-1/4) =-4 * (-1/4)³ +2 * (-1/4)² -1/4 -1

F(x)=-4 * (-1/64) +2/16 -1/4 -1

F(x)=1/16 +2/16-1/4-4/4

F(x)=3/16 -5/4 =3/16-20/16 =-17/16