In a linear programming problem in standard form, the initial and final tableaux are given below.?
?
(initial)(final)Given that x ? 0 and y ? 0, if h units were added to the first resource, wha is the maximum value of the objective function?
A. 360 + 3h
B. 360 + 
C. 360
D. 360 + h
E. none of these
Answer: A
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Graph each system of inequalities and shade the portion on the graph represented by the solution set.x + 2y ? 2x - y ? 0
A. 
B. 
C. 
D. 
If the following is a polynomial function, then state its degree and leading coefficient. If it is not, then state this fact.f(x) = -14 - 13x - 6x2 + 13x3 - 7x4
A. Not a polynomial function. B. Degree: 4; leading coefficient: -14 C. Degree: -14; leading coefficient: -7 D. Degree: 4; leading coefficient: -7
Set up an equation that can be used to solve the problem. Solve the equation and answer the question asked. Dave can hike on level ground 3 miles an hour faster than he can on uphill terrain. Yesterday, he hiked 35 miles, spending 2 hours on level ground and 5 hours on uphill terrain. Find his average speed on level ground.
A. 4.1 mph B. 7.1 mph C. 5 mph D. 7.6 mph
Find the product.3(a + b)
A. 3a + b B. 3a + 3b C. 6ab D. 3ab