Question

Find a bound on the real zeros of the polynomial function
f(x)==3x^5-x^4+7x^3-9x^2+x-1
enter the bound on the real zeros of f.

Answer 1

Plot attached. There is one real root at x = 1.

Answer 2

so what do I enter as the bound?

Answer 3

My guess is 0 and 2.

Refer to the attached plot from a google response.

http://answers.yahoo.com/question/index?qid=20120208091811AAXEZfP

Answer 4

thanks