Evaluate the improper integral or state that it is divergent. 

A. -  ln 2
B.  ln 5
C. ln 2
D. ln 4


Answer: C

Mathematics

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Express the number in scientific notation.0.000315

A. 3.15 × 10-3 B. 3.15 × 104 C. 3.15 × 10-4 D. 3.15 × 10-5

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Subtract.5x7 - 7x6 + 2x5 + 7

A. 8x7 - 3x6 + 7x5 - 2 B. 2x7 - 3x6 + 7x5 + 16 C. 8x7 - 3x6 + 7x5 + 16 D. 2x7 - 11x6 - 3x5 - 2

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Combine like terms and write the resulting polynomial in descending order of powers.8a9 - 2a9 + 4a5 + 15a9 - 11a5

A. 14a9 B. 21a9 - 7a5 C. 14a14 D. Cannot be simplified

Mathematics

Graph the function over a one-period interval.y = -  cos + 3

A.

B.

C.

D.

Mathematics