Authors use rhetoric when writing informational texts primarily to convince a reader that their perspective is reasonable and to appeal to a reader’s sense of logic. Rhetoric can help clarify arguments and support their claims, making it an essential tool in crafting effective informational texts.
While appealing to a reader’s emotions can also play a role in rhetoric, the primary goal in informational writing is often to persuade through logical reasoning and the presentation of evidence. Therefore, the best response would be:
to convince a reader that their perspective is reasonable or to appeal to a reader’s sense of logic.
If you have to choose one option, go with the first one.