Which of the series plotted in Figure 1 are stationary (if any)? Explain your answers 200 - 150 - x 100 - 50 - 0- 50 100 150 200 3- 2- 1- > 0- -1- 100 150 200 40 - N 20 - 0- -20 - 50 100 150 200

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Answer the question in the screen shot, NO WORK NEEDED

10. Each morning, a patient receives a 37 mg injection of an anti-inflammatory drug, and 20% of the drug remains in the body after 24 hours. Find the quantity in the body: (a) Right after the 3rd injection. (b) Right after the 6th injection. (c) In the long run, right after an injection. Use a geometric series. (d) In the long run, right after an injection, for a different drug such that 99 % remains in the patient after 24 hours.