Simplify. Include the absolute value symbol if necessary. If the answer is not a real number, state so.

A.
B.
C.
D.

Answer: D

Mathematics

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Construct a phase line. Identify signs of y' and y". = y2 - 25

A.

B.

C.

D.

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Mathematics

Integrate the function.

A. tan-1 6 - tan-1 
B. tan-1 5 - tan-1 6
C.  tan-1 6 -  tan-1 
D. tan-1  - tan-1 6

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Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise.If the speed of light is 3.00 × 108m/sec, how long does it take light to travel 2.29 × 1011 m, the distance from the sun to Mars? Round to one decimal place.

A. 7.6 × 103 sec B. 76 sec C. 7.6 × 102 sec D. 7.6 × 102 min

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Find an equation for the line with the given properties.Parallel to the line 2x + 3y = 22; containing the point (2, -1)

A. 2x - 3y = 1 B. 3x + 2y = -1 C. 2x + 3y = 22 D. 2x + 3y = 1

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Mathematics