The tree diagram shows all the possible choices for the soccer team

Can some one me with these questions

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.