Solve the problem.A deposit of $8000 is made in an account that earns 8% interest compounded quarterly. The balance in the account after n quarters is given by the sequencean = 8000
n n = 1, 2, 3, ... Find the balance in the account after 28 quarters.
A. $13,928.19
B. $13,781.19
C. $13,989.19
D. $14,014.19
Answer: A
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Solve the problem.Use the formula D = 10.0 log (S/S0), where the loudness of a sound in decibels is determined by S, the number of watt/m2 produced by the soundwave, and S0 = 1.00 × 10-12 watt/m2. What is the intensity in watt/m2 of a noise measured at 76 decibels? (Round to an appropriate number of significant digits.)
A. 4.0 × 10-4 watt/m2 B. 4.0 × 10-5 watt/m2 C. 2.0 × 1015 watt/m2 D. 7.6 × 10-10 watt/m2
Solve.What are the square roots of 25? What is 
?
A. -5, 5; -5 B. 5; 5 C. -5, 5; 5 D. -5; 5
For the pair of functions, determine the domain of f + g.f(x) = 
, g(x) = 
A. (-?, -3) or (9, ?) B. (-?, ?) C. (-?, -3) or (-3, 9) or (9, ?) D. (-?, -9) or (-9, 3) or (3, ?)
Evaluate.a2 for a = 6
A. 36 B. 6 C. 216 D. 12