Simplify the rational expression. If the rational expression cannot be simplified, so state.
A. y2 - 4
B. cannot be simplified
C. 
D. y2 + 2y + 4
Answer: D
Mathematics
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Identify the form of the integral as inverse sine, inverse tangent, logarithmic, or general power.
A. Inverse tangent B. Logarithmic C. Inverse sine D. General power
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Find the limit of the sequence or determine that the limit does not exist.an = 
A. e56 B. 1 C. 0 D. does not exist
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Use the inverse of the coefficient matrix to solve the system of equations.5x + 22y = 17,2x + 9y = 2; A-1 = 
A. (218, -88) B. (109, -24) C. (-221, 44) D. (-109, -44)
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Calculate the nominal rate of interest corresponding to the given effective rate.4.89% with interest compounded monthly.
A. ? 4.76% B. ? 4.88% C. ? 4.85% D. ? 4.78%
Mathematics