"I'm going to talk about the sport of racquetball, including the history of the game, some of the basic equipment used when playing racquetball, and some of the health benefits derived from the sport." This is an example of

It is a thesis or blueprint statement.

Explanation:

A blueprint statement is a list of topics you plan to cover whenever you're writing or speaking as the case may be. The purpose of a blueprint statement is to guide your audience. It helps them to follow through your writing, it gives you a guide to follow in your writing and it prepared your reader or audience for what they are about to consume

The missing options are:

a. an attention getter

b. a thesis statement

c. a specific purpose

d. a general purpose

The correct answer is b. a thesis statement

Explanation:

This is an example of a thesis statement because the speaker is introducing the topic of his/her thesis, in other words, the person is going to talk about the investigation that has been made about the history, the equipment, and the health benefits of racquetball to inform others. By giving this statement, the speaker is guiding the audience in the different steps of the thesis.