Find the domain and range of the function.y = 
A. Domain: (-?, ?), range: (-?, ?)
B. Domain: (-?, ?), range: [0, ?)
C. Domain: [10, ?), range: [0, ?)
D. Domain: [0, ?), range: [-10, ?)
Answer: B
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A. $65.00 B. $314.60 C. $629.20 D. $157.30
Write the following as an algebraic expression in u, u > 0.sin 
A. 
B. u
C. 
D. 
Solve the linear programming problem.An airline with two types of airplanes, P1 and P2, has contracted with a tour group to provide transportation for a minimum of 400 first class, 750 tourist class, and 1500 economy class passengers. For a certain trip, airplane P1 costs $10,000 to operate and can accommodate 20 first class, 50 tourist class, and 110 economy class passengers. Airplane P2 costs $8500 to operate and can accommodate 18 first class, 30 tourist class, and 44 economy class passengers. How many of each type of airplane should be used in order to minimize the operating cost?
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Write an equation of the line through the given point with the given slope. Write the equation in slope-intercept form.(0, 4); m = 
A. y = 
x - 4
B. y = 
x + 4
C. y = 
x + 
D. y = 
x + 4