Final answer:
Arm & Hammer Peroxicare toothpaste is an example of using a brand extension strategy.
Step-by-step explanation:
The Arm & Hammer Peroxicare brand of toothpaste, which is manufactured by Church & Dwight, Co., is an example of using a brand extension strategy. Brand extension is a marketing strategy in which a company uses an existing brand name to introduce a new product or line of products. In this case, Arm & Hammer is leveraging its brand name and reputation in the baking soda market to introduce a new line of toothpaste products.