Find the value of the determinant.
A. 1
B. 7
C. -4
D. -1
Answer: D
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Solve the problem.Consider a retirement savings account where the monthly contribution is $125 for the first 10 years, is increased to $225 for the next 10 years, and then is increased once again to $400 for the last 15 years. The APR is always 6.6% compounded monthly. What is the value of the account at the end of 35 years? Round your answer to the nearest cent.
A. $331,896.77 B. $293,477.39 C. $334,435.86 D. $337,712.53 E. $328,620.10
Solve the problem.Use the fact that tan-1 x = 
for |x| < 1 to find the series for cot-1 x.
A. 
B. 
C. 
- 
D. 
- 
Identify the constant term, leading term, and leading coefficient of the polynomial.-x - 4x2 - 3x3 - 2x5 + 3
A. 3 ; -2x5 ; -2 B. -3 ; -2x5 ; -2 C. 3 ; 2x5 ; 2 D. -2 ; -x ; -1
Add or subtract as indicated. Write the answer in simplest form.
- 
A. 
B. 
C. 
D. 