10. The African wild dog is currently one of the most endangered carnivores in the world. In their attempts to save the

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10 The African Wild Dog Is Currently One Of The Most Endangered Carnivores In The World In Their Attempts To Save The 1 (65.47 KiB) Viewed 23 times

10. The African wild dog is currently one of the most endangered carnivores in the world. In their attempts to save the dog from extinction, scientists collected a substantial amount of data on this nomadic creature. The collected data suggests, among other things, the following relationship between the weight w and the length L of the dog L(w) = 2.47242.571 where w is in kilograms and L is in millimeters. Suppose now that the weight of a particular wild dog at the age of t weeks is approximated by w(t) = 0.265 +0.21 How fast is this African wild dog growing lengthwise at 25 weeks of age? Hint: Use the Chain Rule C. About 19.5 mm/wk A. About 106.7 mm/wk B. About 92.9 mm/wk D. About 13.4 mm/wk E. None of the above answers is correct 11. Michael invested some of his money into a savings account which pays compound interest. If Michael makes no withdrawals, the value of his account will increase by 30% every seven years. How long will it take for the value of his account to double? A. About 18.5 years B. About 19.7 years C. About 22.3 years D. About 24.5 years E. None of the above answers is correct 12. A money market account pays interest at the annual rate of 4% and the interest is compounded monthly. Because of the compounding, the interest amount earned each year will be slightly higher than 4%. Find the effective rate (or annual percentage yield, APY). In other words, find the amount of interest actually earned by the account each year as the percentage of the amount present in the account at the start of that year. Please, round your answer to the nearest hundredth of a percent. A. 4.05% B. 4.07% C. 4.11% D. 4.12% E. None of the above answers is correct