2.Answer the followingfor the polynomial ()=34−23−2−12−4.a. Use synthetic or long division to test the possiblerational root =1. What does the result tell you about the polynomial’s graph?b. Use synthetic or long division to test the possiblerational root =2.What does the result tell you about the polynomial’s graph?c. What is (−)? What does it tell us about the zeros of the function?d. What does the leading coefficient of ()tell us aboutthe polynomial’s graph?e. What does the constant term of ()tell us about the polynomial’s graph?