Find the exact value using a double-angle identity.cos 
A. -
B.
C. -
D. 0
Answer: B
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Find the future value of the given annuity. Round to the nearest cent.$4000 is invested annually for 11 years at 4.8% compounded annually
A. $55,236.92 B. $57,236.92 C. $55,736.92 D. $56,236.92
Solve the problem.Suppose you invest $P on a CD paying 3.25% interest compounded continuously for a term of two years. At the end of the term you get $5335.80 from the bank. Find the value of the original principal P. Round your answer to the nearest dollar.
A. $4995 B. $4975 C. $5025 D. $5005 E. $5000
Solve.Mahvash inherited $20,000 and invested it in a mutual fund for two years. At the end of the two years, her investment had grown to $33,282. Determine the annual compound interest rate that would yield this amount of money. Use the compound interest formula A = P(1 + r)t.
A. 29% B. 0.29% C. 290% D. 2.9%
Find the absolute minimum value(s) of on the interval [0, 6].
What will be an ideal response?