Identify the meaning of the root word underlined within the following word: revolve

Read the excerpt and answer the question. then i lost my head entirely, mad with the power of exciting such what type of figurative language is used in the excerpt? idiom hyperbole metaphor alliteration

12. why do you think that using a conversational tone with plain language when writing businesses messages is a good idea?

Which inequality is represented by this graph? f(0, 1)