Question 732580
F.G MEANS THE VALUE OF FUNCTION F AT G , PUT G IN PLACE OF X IN F, SO ANS IS FOLLOW F.G = 1-3{G(X)}^2 = 1-3{SQRT(4-X)}^2 = 1-3(4-X) = 1-12+3X= 3X-11  , SIMILARLY G.F ,