Evaluate the integral.
dx
A. 2
B. -2
C. 6
D. 4
Answer: B
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Solve using the elimination method. Use a graphing calculator to check your answer.
x + 
y = 4
x - 2y = 21
A. (6, 8) B. (-6, -8) C. (6, -8) D. (-6, 8)
An objective function and a system of linear inequalities representing constraints are given. Graph the system of inequalities representing the constraints. Find the value of the objective function at each corner of the graphed region. Use these values to determine the maximum value of the objective function and the values of x and y for which the maximum occurs.Objective Function z = 6x + 7yConstraints x ? 0 y ? 0 2x + 3y ? 12 2x + y ? 8
A. maximum 32; at (3, 2) B. maximum 52; at (4, 4) C. maximum 32; at (2, 3) D. maximum 24; at (4, 0)
Indicate whether the statement is true or false.A system of linear inequalities can have solutions in all quadrants.
A. True B. False
Sketch a graph that is decreasing and concave down.
What will be an ideal response?