Question

X is an integer and 0< x ≤ 2 what does M =

Answer 1

Draw a number line and place a dark dot at x=(2).  Place a circle at x=0.
Connect the circle at x=0 to the dot at x=2 with a line segment.  

Not knowing what your M means, I can't go any further here helping you.  Please explain where M came from and what it means.