Solve. Provide answers in interval notation.(x + 2)(x - 5) < 0
A. (-?, -2)
B. (5, ?)
C. (-2, 5)
D. (-?, -2) ? (5, ?)
Answer: C
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Solve the problem.There are 6000 under-capitalized retail stores. If this represents 12% of the total number, what is the total number? Round to the nearest whole number.
A. 72,000 B. 500 C. 50,000 D. 720
Identify where f is increasing and where f is decreasing.f(x) = 
A. increasing: (-?, 4]; decreasing: [4, ?) B. increasing: (-?, -4]; decreasing: [-4, ?) C. increasing: [4, ?); decreasing: (-?, 4] D. increasing: [-4, ?); decreasing: (-?, -4]
Graph the inequality.y ? x2 + 2
A. 
B. 
C. 
D. 
State the dual problem. Use y1, y2, y3 and y4 as the variables. Given: y1 ? 0, y2 ? 0, y3 ? 0, and y4
Minimizew = 2x1 + 3x2 + x3subject to:x1 + 3x2 + 2x3 ? 35 2x1 + 4x2 + 3x3 ? 50 x1 ? 0, x2 ? 0, x3 ? 0
A. Maximize z = 50y1 + 35y2
| subject to: | 2y1 + y2 ? 2 |
3y1 + 2y2 ? 1
B.
| Maximize | z = 35y1 + 50y2 |
| subject to: | y1 + 2y2 ? 2 |
2y1 + 3y2 ? 1
C. Maximize z = 50y1 + 35y2
| subject to: | 2y1 + y2 ? 2 |
3y1 + 2y2 ? 1
D.
| Maximize | z = 35y1 + 50y2 |
| subject to: | y1 + 2y2 ? 2 |
2y1 + 3y2 ? 1