Depolarization Is Represented by [Dropdown 1] $\rarr$ -90mV
-55mV $\rarr$ +30mV
+30mV $\rarr$

Short Answer

Depolarization is represented by [dropdown 1].Repolarization is represented by [dropdown 2].After-hyperpolarization is represented by [dropdown 3 ].
Dropdown 1,2,& 3 choices:
-70mV $\rarr$ -90mV
-55mV $\rarr$ +30mV
+30mV $\rarr$ -70mV