IPA: /pərˈfɔːrməbl/
KK: /pərˈfɔrməbl/
Capable of being carried out or executed.
The task is performable within the given time frame.
Performable → It is formed from "perform" (from Old French *performer*, meaning to carry out or accomplish) and "-able" (meaning capable of). The word "performable" means capable of being carried out or accomplished.
Think of something that is 'capable of being accomplished' — 'perform' means to carry out, and '-able' indicates the ability to do so.