Whenever acme corp. introduces a new product, it sends out a single page with typewritten copy containing fewer than 300 words and describing a company event or product called a(n) and a photograph with a brief description explaining its contents, called a(n)

press release, captioned photograph

Explanation:

A press release is an official statement which is given to the members of the press i.e., the members of the news media for the spread of information to the public.

Captions are the words used to describe the contents of a photograph.

Hence, the document which describes the product that ACME Corp releases in an event is called the press release and the photograph is a captioned photograph.

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answer; revisionist;