Question

Which inequality represents the graph?
z≤-10 z≥-10
z-10 z<-10
K
+
-25-20 -15-10 -5
0
0
5
O

Answer 1

Answer:  $z \ge -10$

Reason: The graph shows all values that are z = -10 or larger.

The closed endpoint at -10 indicates we include it with an "or equal to".

If it was an open hole endpoint, then we'd say z > -10 instead.