Question

Which of the following is an upper bound for the zeros of f(x)=2x^3-4x^2-x-2
-1

1

2

3

I think it's 2.

Answer 1

@caozeyuan If you get a second

Answer 2

Yes, becuase 0's of a polynomial has to be factor of the constant part, here constant is -2, so upper bound 2