Answer
−0.2≥b
Work Step by Step
3.8≥b+4⟶ subtract 4 from each side
3.8−4≥b+4−4⟶ subtract
−0.2≥b
Check the endpoint.
3.8=?−0.2+4
3.8=3.8✓
Check the inequality.
3.8≥?−2+4
3.8≥2✓
Since -0.2 is included in the solution, the endpoint of the graph is a solid circle.
