A closed, or shaded, circle is used to represent the inequalities greater than or equal to (≥) or less than or equal to (≤) . The point is part of the solution. An open circle is used for greater than (>) or less than (<). The point is not part of the solution.
Step-by-step explanation:
3x+5=44
3x=44-5
3x=39
x=39÷3
x=13
By a straight line or plane that touches a curve or curved surface at a point, but if extended does not cross it at that point.