Evaluate the integral.dx

A. -ln  + C
B. ln  + C
C. 5 ln  + C
D. 5 ln  + C


Answer: B

Mathematics

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Evaluate the factorial expression.

A. 7 B. 0 C. 21 D. 1

Mathematics

Given matrices A = , B = , and C = , decide if the statement is true or false.(A + B)(B - A) = A2 - B2, where A2 = AA and B2 = BB.

A. True B. False

Mathematics

Solve the problem.The population of a particular country was 28 million in 1980; in 1988, it was 40 million. The exponential growth function  describes the population of this country t years after 1980. Use the fact that 8 years after 1980 the population increased by 12 million. Find k rounded to three decimal places.

A. 0.045 B. 0.878 C. 0.311 D. 0.055

Mathematics

Answer the question.Explain in your own words how to multiply rational expressions. (How would you explain this to a student in this class who was absent from class?).

What will be an ideal response?

Mathematics