When x3+2x+1

Question

is divided by x+1
, the remainder is −2
. Apply the Remainder Theorem to find f(−1)
, where f(x)=x3+2x+1
.(1 point)
f(−1)=

Answer 1

To find f(-1), we can substitute -1 into the expression for f(x).

f(-1) = (-1)^3 + 2(-1) + 1
= -1 - 2 + 1
= -2

Therefore, f(-1) = -2.