Solve.There is a very long line at a movie theater in a large town for the premier of a new movie. Suppose there are two ticket booths. If everything runs smoothly booth A can service the entire line in x minutes and booth B can service the entire line in 
minutes, where x depends on the number of people in line. Write an expression representing how many minutes it will take if both booths are open selling tickets. How long will it take to sell all tickets if 
Round to the nearest minute.
A. 
min; 47 min
B. 
min; 25 min
C. 
min; 3 min
D. 
min; 22 min
Answer: B
Mathematics
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Solve the inequality. Graph the results.10x - 9 > 9x - 2
A. x ? -11 
B. x ? -11 
C. x < 7 
D. x > 7 
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Answer the question about the given function or graph of a function. Find and classify all extrema of the function f(x) = x3 - 12x - 1.
A. Local minimum of 15 at x = -2; Local maximum of -17 at x = 2 B. Local maximum of 15 at x = -2; Local minimum of -17 at x = 2 C. Local maximum of 64 at x = 5; Local minimum of 8 at x = -3 D. Local maximum of 64 at x = 5; Local minimum of -17 at x = 2
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Solve by completing the square.3x2 + 3x = 60
A. -20, 1 B. -5, 12 C. -5, 4 D. 5, -4
Mathematics
Using the horizontal-line test, determine whether the function is one-to-one.
A. one-to-one B. not one-to-one
Mathematics