Please answer the questions and show the work

6. Let f(x) = x2 and g(x) = Vx. a) (fog) (x) = - (3pts) b) (fog)(x) has domain: (3pts) 7.(12pts) If 5x5-5 = 35, then 5x5= So X5 = ( 2 0 ) 0 = Let u -. So u and U= . Now X " ) = So hence x =