Question

10). Following the birth of his child, Benjamin deposits $10,000 in a college trust fund where interest is 3.9%, compounded semiannually. Find the amount of money in the account at t = 21 years. (Show the correct formula/function and your work.) (Section 5.2) II). The exponential function D(t) = 347(1.024)' gives the number of bachelor's degrees, in thousands, camed in the United Statest years after 1970 (Sources: National Center for Educational Statistics; U.S. Department of Education). Estimate the number of bachelor's degrees that will be camed in 2020. Round to the nearest thousand degrees. (Show work.) (Section 5.2) 12). A company begins an Internet advertising campaign to market a new telephone. The percentage of the target market that buys a product is generally a function of the length of the advertising campaign. The estimated percentage is given by 0 - 100(1- 0), where is the number of days of the campaign. After how long will 90% of the target market have bought the phone? Hint: You will plug some value into the function to solve fort. (Show work.). (Section 5.2) 1611

Answer 1