Final answer:
An expository essay on technology's impact should objectively inform readers about its effects, providing clear explanations and relevant background context.
Step-by-step explanation:
The primary focus of an expository essay explaining the impact of technology is c. Providing an objective and informative overview of the effects of technology. The essay aims to elucidate how technology affects our lives, offering insight into the positive and negative consequences. The writer should organize the essay by breaking down the topic into categories or components, clarifying each in relation to the overall effects of technology. For a successful essay, especially in the introductory paragraph, it's important to offer substantial background information to help the reader understand the context of the topic before delving into specific details. By doing so, the essay ensures the reader can fully grasp the objective explanations the writer provides about technology's impact.
For example, the essay may discuss the impact of technology on communication, education, or the economy. It should analyze the positive and negative effects of technology, providing examples and relevant data to support the explanations.
In conclusion, the primary focus of an expository essay explaining the impact of technology is to provide an objective and informative overview of the effects of technology.