Find the root. Assume that all variables represent positive numbers.

A.
B. x4
C. x9
D. x6

Answer: B

Mathematics

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Evaluate the integral by changing the order of integration in an appropriate way.

A. 1 - sin 4
B.
C. 1 + cos 4
D.

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Mathematics

Solve the problem.A pulley with a diameter of 26 inches is driven by a belt which is moving 859 ft/min. To the nearest unit, how many revolutions per minute are made by the pulley?

A. 231 rpm B. 126 rpm C. 138 rpm D. 224 rpm

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Mathematics

Solve.x2 = 98

A. ± 2
B. ± 7
C. 14
D. 7

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Mathematics

Determine whether or not the function is one-to-one.f(x) = - 

A. Yes B. No

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Mathematics