Factor the difference of squares.81x2 - 4
A. (9x + 2)2
B. (81x + 1)(x - 4)
C. (9x + 2)(9x - 2)
D. (9x - 2)2
Answer: C
Mathematics
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Solve the absolute value inequality. Write your answer in interval notation.|2x - 6 |> 14
A. (- 4, 10) B. (-10, - 4) C. (-?, -10) ? (4, ?) D. (-?, - 4) ? (10, ?)
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Replace the ? with the symbol <, >, or =.|6| ? |-21|
A. = B. > C. <
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The figure shows the graphs of the cost and revenue functions for a company that manufactures and sells binoculars. Use the information in the figure to answer the question.
Is there a profit when 323 binoculars are produced?
A. No B. Yes
Mathematics
Add. Write the answer in lowest terms as a mixed number.
A. 29
B. 28
C. 29
D. 30
Mathematics