Provide the proper response.Revenues of a company are increasing. One analyst says it is due to an increase in price. Is this necessarily true? Explain.
What will be an ideal response?
Answers will vary. Even if it is true that an increase in price is responsible, an increase in sales may also be partly or wholly responsible.
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Perform the indicated operation and write the answer in simplest form.
? 
A. z2
B. z4
C. z3
D. 
Identify whether the given number is a member of the following sets of numbers: A. natural numbers, B. whole numbers, C. integers, D. real numbers.-6
A. C, D B. B, D C. A, B, C, D D. D
An expression that occurs in calculus is given. Factor completely.3(x + 5)2(2x - 1)2 + 4(x + 5)3(2x - 1)
A. (x + 5)(2x - 1)(10x + 17) B. (x + 5)2(2x - 1)(x + 17) C. (x + 5)2(10x + 17) D. (x + 5)2(2x - 1)(10x + 17)
Solve the problem.In a Psychology class, the students were tested at the end of the course on a final exam. Then they were retested with an equivalent test at subsequent time intervals. Their average scores after t months are given in the table.
Using a graphing utility, fit a logarithmic function y = a + b ln x to the data. Using the function you found, estimate how long will it take for the test scores to fall below 84%. Express your answer to the nearest month.
A. 8 months B. 10 months C. 12 months D. 20 months