Simplify the radical expression.
?

?

A. -6
B. 4
C. 2
D. -4
E. ?-2

Answer: D

Mathematics

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Using the derivative of f(x) given below, determine the intervals on which f(x) is increasing or decreasing.f'(x) = x1/3(x - 7)

A. Decreasing on (0, 7); increasing on (7, ?) B. Decreasing on (0, 7); increasing on (-?, 0) ? (7, ?) C. Decreasing on (-?, 0) ? (7, ?); increasing on (0, 7) D. Increasing on (0, ?)

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Find an antiderivative of the given function.5 - 5

A. x3/2 - 5x
B. 5x3/2 - 5
C. 5x3/2 - 5x
D. x3/2 - 5

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Find y: y = e5ú1

a. 105 b. 151 c. 164 d. 178 e. 191

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Solve the problem.The decay of 956 mg of an isotope is given by  where t is time in years. Find the amount left after 33 years.

A. 161 mg B. 322 mg C. 925 mg D. 311 mg

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