pls answer with a ckrar explanation

1 Represent the velocity and positions as function of fit the acceleration 15 9 = 6+2. Evaluate the Constants of Integration $0 as to have V= I and s = - 7 when t 2 0 Calculate the positions when tal It is known that f GC ) = F' G ) for every x and that a 7 0. which statement is true? a . [ + Gold ( acta ) = Fatal+c be S f (ta) de = Factaltc Stlacta ) d lacta ) = foot c