Using interval notation, write the set.{x| x ? 6}
A. (-?, 6)
B. [-?, 6)
C. (-?, 6]
D. [-?, 6]
Answer: C
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The profit P, in thousands of dollars, for a certain company depends on the number n of items produced. The relationship is given by
?
.
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A: Plot the graph of the profits versus number of items produced.B: What number of items produced will result in maximum profit?C: The marginal profit is the rate of change 
. What is the value of at the production level you found in part B?
What will be an ideal response?
Write a formula for the general term (the nth term) of the arithmetic sequence. Then use the formula for an to find a20, the 20th term of the sequence.1, 5, 9, 13, 17, . . .
A. an = n + 4; a20 = 24 B. an = 4n + 3; a20 = 83 C. an = 4n - 3; a20 = 77 D. an = 3n - 4; a20 = 56
Find the prime factors in 14ax2.
a. 14 ú x ú x b. 14 ú a ú x c. 2 ú 7 ú a ú x d. 2 ú 7 ú x ú x e. 2 ú 7 ú a ú x ú x
Identify the equation as a parabola, circle, ellipse, or hyperbola.x2 + y2 = 25
A. Hyperbola B. Parabola C. Circle D. Ellipse