Evaluate the integral.

A. 66
B. 22
C. 132
D. 11

Answer: C

Mathematics

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Solve the problem.Ken is 6 feet tall and is walking away from a streetlight. The streetlight has its light bulb 14 feet above the ground, and Ken is walking at the rate of 4.1 feet per second. Find a function, d(t), which gives the distance Ken is from the streetlight in terms of time. Find a function, , which gives the length of Ken's shadow in terms of d. Then find .

A. (S ? d)(t) = 6.93t B. (S ? d)(t) = 2.26t C. (S ? d)(t) = 3.08t D. (S ? d)(t) = 3.9t

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Mathematics

Evaluate.17

A. 7 B. 17 C. 1 D. undefined

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Mathematics

Evaluate the expression.(53)

A. 20 B. 5 C. 10 D. 1

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Mathematics

Change the logarithmic expression to an equivalent expression involving an exponent.log1/39 = -2

A. (-2)1/3 = 9
B. 91/3 = 2
C. 2 = 9
D. -2 = 9

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Mathematics