Use reduction formulas to evaluate the integral.

A. -  csc2  cot  - cot  + C
B. -  csc2  cot  - cot  + C
C. -  csc2  cot  - csc  + C
D. -  csc3  cot  + cot  + C

Answer: B

Mathematics

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Make a scatterplot of the relation after determining an appropriate viewing rectangle.{(0.5, 3.5), (0.2, 2.0), (0.3, 0.5), (0.7, 3.0)}

A. [0, 5, 1] by [0, 8, 1]


B. [0, 1, 0.2] by [0, 4, 0.5]


C. [0, 1, 0.2] by [0, 4, 0.5]


D. [0, 5, 1] by [0, 8, 1]


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Mathematics

Use the given substitution to solve the equation.2x-2  + 5x-1  - 3 = 0, u = x-1

A. 2, 3
B. - , -2
C. - , 2
D. 2, -3

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Simplify. 

A.
B.
C.
D.

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Use the formula for Sn to find the sum of the first five terms of the geometric sequence. Round to the nearest hundredth, if necessary., , , , , . . .

A.
B. 93
C.
D.

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Mathematics