Question

Use synthetic substitution to find f (2) and f (-1) for the function.
f (x) = x3 – x2 – 2x + 3

Answer 1

f(2)=7

f(-1)=+1

Explanation:

f (2)= 2³-2²+3 =8-4+3=7

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