Choose the graph of the equation.x2- y2- z2= 1
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Answer: B
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Find the open intervals on which the function is increasing and decreasing. Identify the function's local and absolute extreme values, if any, saying where they occur.
A. increasing on (-2, 0) and (2, 4); decreasing on (0, 2); absolute maximum at (4, 6); local maximum at (0, 2); absolute minimum at (-2, 0) and (2, 0) B. increasing on (-2, 0) and (2, 4); decreasing on (0, 2); absolute maximum at (4, 6) and(0,2); absolute minimum at (-2, 0) and (2, 0) C. increasing on (2, 4); decreasing on (0, 2); absolute maximum at (4, 6); local maximum at (0, 2); absolute minimum at (-2, 0) and (2, 0) D. increasing on (-2, 0) and (2, 4); decreasing on (0, 2); absolute maximum at (4, 6); absolute minimum at (-2, 0) and (2, 0)
Perform the indicated operation(s). Where possible, reduce the answer to lowest terms.- 
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Use the simplex method to solve the linear programming problem.Maximizez = x1 + 2x2 + 4x3 + 6x4subject to:x1 + 2x2 + 3x3 + x4 ? 100 3x1 + x2 + 2x3 + x4 ? 75withx1 ? 0, x2 ? 0, x3 ? 0, x4 ? 0
A. Maximum is 300 when x1 = 0, x2 = 0, x3 = 75, x4 = 0 B. Maximum is 150 when x1 = 0, x2 = 75, x3 = 0, x4 = 0 C. Maximum is 600 when x1 = 0, x2 = 0, x3 = 0, x4 = 100 D. Maximum is 450 when x1 = 0, x2 = 0, x3 = 0, x4 = 75
Graph the system of inequalities.3x - y ? -9x + 2y ? 6
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