List the points in the graph in the interval 0 < x < 6 at which the function is not differentiable: The function is not differentiabie at x = (Use a comma to separate answers as needed.) .
List the points in the graph in the interval 0 < x < 6 at which the function is not differentiable: The function is not differentiabie at x = (Use a comma to separate answers as needed.) .