Use the table of integrals or a computer or calculator with symbolic integration capabilities to find the integral. 

A. ln  + C
B.  ln  + C
C.  ln  + C
D. ln  + C


Answer: C

Mathematics

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Solve the problem. Round your answer, if appropriate.As the zoom lens in a camera moves in and out, the size of the rectangular image changes. Assume that the current image is  Find the rate at which the area of the image is changing (dA/df) if the length of the image is changing at 0.7 cm/s and the width of the image is changing at 0.4 cm/s.

A. 14.0 cm2/sec B. 14.6 cm2/sec C. 7.3 cm2/sec D. 7.0 cm2/sec

Mathematics

Solve the problem.An open box is to be made from a rectangular piece of tin by cutting two inch squares out of the corners and folding up the sides. The volume of the box will be 100 cubic inches. Find the dimensions of the rectangular piece of tin.

A. 5 in. by 10 in. B. 5 in. by 9 in. C. 4 in. by 9 in. D. Not enough information

Mathematics

Solve the given application problem.In a certain location, the highest temperature recorded was 104°F. The lowest temperature recorded was 139 degrees less than the highest. What was the lowest temperature?

A. 0°F B. -35°F C. 35°F D. -138°F

Mathematics

Find all specified roots.Cube roots of 1.

A. 1, -  + i, -  - i
B. -1, 1
C. 1,  + i, -  + i
D. 1,  - i, -  - i

Mathematics