Solve the problem.The number of quarters needed to double an investment when a lump sum is invested at 10%, compounded quarterly, is given by n = log1.025 2. In how many years will the investment double, to the nearest tenth of a year?
A. 28.1 years
B. 7.0 years
C. 3.5 years
D. 14.0 years
Answer: B
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Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum 
, using the indicated point in the kth subinterval for ck.f(x) = cos x + 3, [0, 2?], left-hand endpoint
A. 
B. 
C. 
D. 
Subtract and check the difference.
A. 25 B. -75 C. 17 D. 1113
Solve the system by graphing.y = x2 - 6x + 9x + y = 3
What will be an ideal response?
Solve the problem.A deposit of $7000 is made in an account that earns 7% interest compounded quarterly. The balance in the account after n quarters is given by the sequencean = 7000
n n = 1, 2, 3, ... Find the balance in the account after 8 years.
A. $12,019.49 B. $12,284.49 C. $12,282.49 D. $12,195.49