Final answer:
The term for subletting tasks to smaller contractors is a) outsourcing, which involves hiring outside parties to perform services traditionally done in-house.
Step-by-step explanation:
The term used for subletting tasks out to smaller contractors is outsourcing. Outsourcing is the process in which a company contracts with an outside party to perform services or create goods that would traditionally be performed in-house by the company's own employees. It often includes contracting with parties in another country, which can also be related to offshoring—the practice of moving some of a company's operations to another country to access cheaper labor markets. While both practices aim to reduce costs and increase efficiency, outsourcing refers specifically to the hiring of outside contractors to carry out specific tasks.