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ASVAB · Author's Purpose and Tone

Read the passage and answer: The instructions are clear: first, unplug the device. Next, remove the four screws on the back panel. Then carefully lift off the cover and locate the filter. Finally, replace the filter and reassemble in reverse order. What is the author's primary purpose?

Correct answer

To instruct the reader how to perform a task

  1. A To persuade the reader to buy a device
  2. B To instruct the reader how to perform a task
  3. C To entertain with a story
  4. D To argue an opinion

Why this is the answer

The passage gives a numbered sequence of steps — unplug, remove screws, lift the cover, replace the filter, reassemble — which is the structure of instructions. The author's purpose is to instruct the reader how to perform a task (replacing a filter). The signal words 'first,' 'next,' 'then,' and 'finally' mark a how-to sequence. There is no persuasion, story, or argument. Identifying the step-by-step format and sequence words tells you the purpose is to instruct.
Source: ASVAB Paragraph Comprehension — Author's Purpose

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