Answer:
c ≥ 5.5
Step-by-step explanatation:
c - 5 ≥ 0.5
*Add 5 to the left and the right of the inequality symbol*
Which leaves you with, c ≥ 5.5
In this case, the 'c' is unknown when graphing because you don't know if it can be called x or y. So, you cannot plot this variable.
