you would need 2 variables, from here, x is variable, n is a number. draw a line, arrows at ends, use a ruler to grid it, and then for x ≥ n , color in circles on n and draw an arrow from the circle to the right, whereas x ≤ n (n can be negative) arrow to the left.
Answers & Comments
Verified answer
you would need 2 variables, from here, x is variable, n is a number. draw a line, arrows at ends, use a ruler to grid it, and then for x ≥ n , color in circles on n and draw an arrow from the circle to the right, whereas x ≤ n (n can be negative) arrow to the left.
e.g.
<---|-----|-----|-----●===|===|==>>