(e) Feesty years ago, John deposited R5 000 in a bank paying him \( 3 \% \) per annun compound interes. The average inflation rate over the forty years was \( 6 \% \). (1) How much money will he have saved after forty years? (2) Calculate the buying power of R5 000 after forty years. (3) Comment on the value of John's savings affer forty years.

8. Observe the figures below.

Find the intervals on which \( f \) is increasing and the intervals on which it is decreasing. \( f(x)=-x^{3}-9 x \) Aelect the correct choice and, if necessary, fill in the answer box(es) to complete your choice. A. The function is increasing on the open interval(s) \( \square \) and decreasing on the open interval(s) (Simplify your answers. Type your answers in interval notation. Use a comma to separate answers as needed.) B. The function is increasing on the open interval(s) (Simplify your answer. Type your answer in interval notation. Use a comma to separate answers as needed.) C. The function is decreashing on the open interval(s) \( \square \). The function is never increasing. (Simplify your answer. Type your answer in interval notation. Use a comma to separate answers as needed.) D. The function is never increasing nor decreasing.

j) \( (-32)^{6}:(-32)^{3}= \)

A highly selective boarding school will only admit students who place at least 2.5 standard deviations above the mean on a standardized test that has a mean of 200 and a standard deviation of 24 . What is the minimum score that an applicant must make on the test to be accepted? The minimum score that an applicant must make on the test to be accepted is

Question 1 (1 point) Multiple Choice: How did the American Revolution impact the rights of Native Americans? It led to the recognition of Native American sovereignty and the protection of their lands. It resulted in the displacement and mistreatment of Native American tribes by American settlers. It had little impact on the rights and freedoms of Native Americans. It sparked discussions and negotiations about land rights and treaties between