Simplify the rational expression.

A. 4m
B.
C.
D.


Answer: C

Mathematics

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Use De Moivre's theorem to simplify the expression. Write the answer in the form a + bi.(5(cos 315° + i sin 315°))5

A. 3.536 + 3.536i B. -2209.709 + 2209.709i C. 2209.709 + 2209.709i D. -3.536 + 3.536i

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Use the table to find the future value. Round to the nearest cent.$500 at 8% compounded quarterly for 4 years

A. $660.00 B. $680.24 C. $686.40 D. $541.22

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Solve.The length and width of a rectangle have a sum of 88. What dimensions give the maximum area?

A. Length 43 and width 45 B. Length 44 and width 44 C. Length 35 and width 53 D. Length 34 and width 54

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The function Y2 is defined as Y1 + k for some real number k. Based upon the given information about Y1 and Y2, find k.  

A. -6 B. 10 C. -10 D. 6

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