Final answer:
In summary, a blog post announcing job openings is for internal communication, updates on a microwave oven design are for building relationships, and a post asking for smartphone feedback serves marketing purposes.
Step-by-step explanation:
The student's question involves matching each example of a business blog to its corresponding purpose, fitting within the realm of Business studies at a College level.
- A blog post announcing job openings at a software company serves the purpose of internal communication, informing current employees and potential candidates about career opportunities.
- A blog post sharing updates on a new design idea for a microwave oven is typically aimed at building relationships with customers and stakeholders by involving them in the product development process, encouraging feedback and creating a community.
- A post encouraging feedback about a smartphone would fall under marketing, as it seeks to engage customers and promote the product.