Provide an appropriate response.Given f(x) = Ll, f(x) = Lr, and Ll ? Lr, which of the following statements is true? I.  f(x) = Ll II.  f(x) = Lr III. f(x) does not exist.

A. I
B. III
C. II
D. none


Answer: B

Mathematics

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A.
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Solve the problem.Tickets to a ballet cost $14 if bought in advance. If bought at the door, they cost $24. For the ballet to make a profit, the total money collected from ticket sales must be at least $380. (a) Write an inequality to represent this situation, using x for the number of tickets bought in advance and y for the number of tickets bought at the door. (b) Graph the inequality. Because x and y must be whole numbers, restrict the graph to Quadrant I. (c) Can the ballet make a profit if it sells 30 tickets in advance and 10 tickets at the door?

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(b)

(c) yes

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(b)

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(b)

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