y(x)=(0.7*(3.2-abs((abs(1.8-abs(0.49x))-abs(0.46x)+1.9)-1.1)+abs(1.9-abs(0.55x))-abs(0.52x))*(0.5*abs(sin(2(abs(x)-0.8))-0.9)+0.5*sin(1.9(abs(x)-0.78))+abs(sin(abs(x)))))