According to automobile association of a country, on March 27, 2009, the national average price per gallon of regular unleaded (85-octane) gasoline was $2.02, and the price of premium unleaded (93-octane) gasoline was $2.23. The cost of the blend of mid-grade unleaded gasoline (92-octane). Determine the constraints for the objective function.
?
A. x ? 0 y ? 0 x + y = 9285x + 93y = 92
B. x ? 0 y ? 0 x + y = 185x + 93y = 92
C. x ? 0 y ? 0 x + y = 922.02x + 2.23y = 93
D. x ? 0 y ? 0 x + y = 922.02x + 2.23y = 92
E. x ? 0 y ? 0 x + y = 922.02x + 2.23y = 85
Answer: B
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Solve the problem.The graph below shows the first derivative of a function y = f(x). Select a possible graph of f that passes through the point P. f'
A. 
B. 
C. 
D. 
In the indicated voting system, the weights represent, in order, voters A, B, C, and so on. Write out all of the winning coalitions.[23 : 3, 5, 6, 8, 9]
A. {A, B, C, D, E}, {B, C, D, E}, {A, C, D, E}, {A, B, D, E}, {A, B, C, E}, {C, D, E}, {C, D}, {D, E} B. {A, B, C, D, E}, {B, C, D, E}, {A, C, D, E}, {A, B, D, E}, {A, B, C, E}, {C, D, E} C. {A, B, C, D, E}, {B, C, D, E}, {A, C, D, E}, {A, B, D, E} D. {A, B, C, D, E}, {B, C, D, E}, {A, C, D, E}, {C, D, E}
Give the coordinates of the vertex and graph the equation in a window that includes the vertex.y = x2 + 5
A. Vertex: (5, 0)
B. Vertex: (0, 5)
C. Vertex: (-5, 0)
D. Vertex: (0, -5)
Use the graph of f(x) = 
x - x5 and translations of graphs to sketch the graph of the equation. 
y = f(x) - 1
A. 
B. 
C. 
D. 