Solve the problem.The population of a particular country was 21 million in 1982; in 1989, it was 33 million. The exponential growth function  describes the population of this country t years after 1982. Use the fact that 7 years after 1982 the population increased by 12 million to find k to three decimal places.

A. 0.934
B. 0.075
C. 0.065
D. 0.355


Answer: C

Mathematics

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Use logistic regression to find a logistic model for the following data.  x 5 10 15 20 25 y 23.77 65.13 96.24 155.61 180.92?

A. ?
B.
C.
D.

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Find the fraction equal to the given decimal.0.197197 . . .

A.
B.  
C.  
D.  

Mathematics

Find the indicated quantities for the appropriate arithmetic sequence.Find the sum of the first 742 positive integers.

A. 275653 B. 274911 C. 550,564 D. 551,306

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Solve. Write the answer in simplest form.The circle graph shows the fraction of books read by grades one through five. What fraction of books was NOT read by the second and fifth grades?

A.
B.
C.
D.

Mathematics