Question

How do you use synthetic substitution to find f(3) and f(-4) for `f(x)= x^4-8x-11`?

Answer 1

f(3)= 46

f(-4)= 277

Explanation:

f(3)= `3^4 -8*3-11= 81-24-11=46`

f(-4)= `(-4)^4 - 8(-4)-11= 256+32-11=277`