Fill in the blank(s) using elementary row operations to form a row-equivalent matrix.
?
?
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: E
Mathematics
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Solve the problem.
An investment of $13,335 earns 12% interest compounded monthly for 3 years. (a) What is the future value of the investment? (b) If money can be deposited at 8% compounded quarterly, find the present value of the investment.
A. (a) $19,079.32 (b) $15,043.85 B. (a) $18,890.40 (b) $8113.76 C. (a) $20,079.32 (b) $9113.76 D. (a) $15,026.21 (b) $7495.86
Mathematics
Determine whether the matrices are inverses. 
, 
A. No B. Yes
Mathematics
Determine the degree of the polynomial.-x - 2x2 - 6x3 - 2x5
A. 5 B. 11 C. 4 D. 10
Mathematics
Write out the first five terms of the sequence for n = 1, 2, 3, 4, and 5.an = 2n
A. 1, 4, 9, 16, 25 B. 1, 2, 4, 8, 16 C. 2, 4, 8, 16, 32 D. 4, 8, 16, 32, 64
Mathematics