Question: reflect 2d plot

i want to reflect a plot i have j:= plot(y(x),x=0..35) ,y(x) icludes heavside functions around  x=17.5 , for some reason maple using reflect function keeps returning the reflected function in the output and not just the plot. i would like to get rid of it .

output : the reflected function of y(x)
the reflected graph. 

thanks for the help 

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