Use a graphing calculator to evaluate the series.

A. -11
B. 189
C. 273
D. 73


Answer: D

Mathematics

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Solve the problem.The revenue achieved by selling x graphing calculators is figured to be  The cost of each calculator is  How many graphing calculators must be sold to make a profit (revenue - cost) of at least $312.80?

A. between 36 and 44 calculators B. between 34 and 46 calculators C. between 35 and 33 calculators D. between 14 and 26 calculators

Mathematics

Use a calculator to find the root or power rounded to six decimal places.

A. 28.764062 B. 28.089144 C. 28.086144 D. 28.094144

Mathematics

Factor completely. If the polynomial cannot be factored, say it is prime.14x2 - 49x - 28

A. 7(2x + 1)(x - 4) B. (14x - 7)(x + 4) C. 7(2x - 1)(x + 4) D. prime

Mathematics

Solve the problem.The table shows the population of a certain city for selected years between 1950 and 2003.  Use the logistic regression function on your calculator to determine the logistic equation that best fits the data.

A. P = 
B. P = 
C. P = 
D. P = 

Mathematics