If the graph of y = f(x) is
Find the graph of |y|=f(x)?
|y|=f(x)
|y| is never negative. So while we draw the graph of |y|=f(x), we will have to drop the part where f(x) is negative.
f(x) is negative except at x = 0 (from the given graph). So the graph of |y|=f(x) will be just one point (0, 0).