Answer:
Step-by-step explanation:
To be inclined to do something means to be disposed or willing to do something. In this case, by saying that Jacob was not inclined to rest or trade places with anyone even though he had been driving for a long time, the author implies that Jacob did not want to do any of these things.
In the second case, the word "incisive" describes speech that is keen, clear and direct. Comedians often use incisive language due to their ability to make acute observations of their audience.