Question

g(x)=x^3-2x^2-x-4 calculate g(-1)

Answer 1

g(-1) = -1 - 2 + 1 -4
= -6

Answer 2

putting x= -1 in the eqn.

G( -1) = (-1)^3 - 2.(-1)^2 - (-1) -4
         = -1 -2 +1 -4 
         = -6

hope it helepd