What does Descartes rule of signs tell you about the number

Last updated: 10/2/2023

What does Descartes rule of signs tell you about the number of positive real zeros and the number of negative real zeros of the function 2 F p 3p 2p 9p p 5 4 What is the number of positive real zeros OA 2 OC 0 OB 1 or 0 OD 2 or 0