Question

Potential rational roots of f(x) = x4 – 2x3 + 5x2 – 7x + 9

Answer 1

Answer:

+1,+3,+9

Step-by-step explanation:

Factors of the constant term

Answer 2

Answer:

To quickly solve this problem, we can use a graphing tool or a calculator to plot the equation.

Please see the attached images below, to find more information about the graph

The equation is:

f(x) = x^4 – 2x^3 + 5x^2 – 7x + 9

The equation has only complex roots.