PLEASE HELP M! NEED HELP FAST CORRECT ANSWERS ONLY PLEAS If 2+sqrt3 is a polynomial root, name another root of the polynomial, and explain how you know it must also be a root.

Fred and gene are hang gliding. fred is 700 feet above the ground and descending at 15 ft/s. gene is decending as shown in the table. interpret the rates of change and initial values of the linear functions in terms of the situations they model. show all work. freds equation is f(x)=-15x+700. ( genes is the table attached)