xRf(x)=f(-x)f(x)=f(2-x)x[01]f(x)=x^3g(x)=|xcos(x)|h(x)=g(x)-f(x)[-1232]f(x)=f(2-x)x[12](2-x)[01]f(x)=f(2-x)=(2-x)^3g(x)x[012]g(x)=xcos(xx[1232]g(x)=-xcos(x)f(x)g(x)62f(x)=f(-x)f(x)=f(2-x)=f(x-2)2f(0)=f(1)=0g(x)=|xcos(x)|g(0)=g(12)=g(-12)=g(32)=0..................20r