for this question, it ask you to draw out.j + 6 ≥ 7j ≥ 7 - 6j ≥ 1How to draw it: 1. draw a Solid point on the number"1".2. draw a small vertical line on the top of the point.3. draw a long horizontal line to number "1" 's right side, and add an arrow in the end of the line.