Final answer:
Taco Rocket's consideration to buy and combine with a local competitor is an example of a merger, which involves the joining of two separate entities into one.
Step-by-step explanation:
When Taco Rocket considers buying a local competitor to combine under the Taco Rocket name, this scenario is categorized as a merger. A merger involves two companies joining together to form one larger entity. Taco Rocket's strategy is different from a franchise, which refers to a chain of businesses using the same brand but individually owned; a joint venture, which is an enterprise undertaken by two or more entities collaborating on a particular project; and a subsidiary, which is a company controlled by another company.