(Sqrt(cos(x)) cos(75x)+sqrt(ABS(X))-.7)(4-X*X)^.2, sqrt(9-x^2), -sqrt(9-x^2) from 4.5 to 4.5, -x. (Sqrt(cos(x))*cos(200*x)+sqrt(|x|)-0.7)*(4-x^2)^0.01;. (Sqrt(cos(x)) cos(75x)+sqrt(ABS(X))-.7)(4-X*X)^.2,. Sqrt( cos( x))* cos( 75* x)+ sqrt( ABS( X))- 0.7* (4- X* X)^ 0.2.