Starting this month, Naima has a new cell phone plan. The cost of her old plan and the cost of her new plan are shown in the graphs below.

What is the difference between the rate of change of Naima's old plan and the rate of change of her new plan?

A. The rate of change of Naima's new plan is greater than the rate of change of her old plan for the first 500 minutes only.

B. The rate of change of Naima's old plan is greater than the rate of change in her new plan.

C. The rate of change of Naima's new plan is greater than the rate of change in her old plan.

D. The rate of change of Naima's old plan is greater than the rate of change of her new plan for the first 500 minutes only.

Read the excerpt from the strange case of dr jekyll and mr. hyde what do dr. jekyll's thoughts reveal about him in this excerpt? [t]he inmates of my house were locked in the most rigorous hours of slumber, and i determined, flushed as i was with hope and triumph, to venture in my new shape as far as to my bedroom. i crossed the yard, wherein the constellations looked down upon me, i could have thought, with wonder, the first creature of that sort that their unsleeping vigilance had yet disclosed to he is jealous of those who can sleep through the night. he is revered for his scientific advances. he is interested in studying the movements of the stars he is proud and enthusiastic about his initial results.