Perform the indicated operation.(4x2 + 3x + 19) - (2x2 + 10x - 6)
A. 2x2 - 7x + 13
B. 2x2 - 7x + 25
C. 20x9
D. 2x2 + 5x + 13
Answer: B
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Find the extreme values of the function and where they occur.y = x2 + 2x - 3
A. The minimum is 1 at x = 4. B. The minimum is -4 at x = -1. C. The minimum is -1 at x = 4. D. The minimum is 1 at x = -4.
A student owned the following shares of stock: Microsoft, 247; GE, 174; and Verizon, 362. How many shares did the student own?
A. 784 B. 783 C. 773 D. 421 E. 793
Solve graphically. Round solutions to three decimal places, where appropriate.2x2 + 4x = 5
A. -15.158, 4.598 B. -8.612, 2.612 C. -2.871, 0.871 D. -3.445, 1.045
State the dual problem. Use y1, y2, y3 and y4 as the variables. Given: y1 ? 0, y2 ? 0, y3 ? 0, and y4
Maximizez = 2x1 + 4x2subject to: 9x1 + 3x2 ? 203 x1 + x2 ? 16 2x1 + 6x2 ? 80 x1 ? 0, x2 ? 0
A.
| Minimize | w = 80y1 + 16y2 + 203y3 |
| subject to: | 2y1 + y2 + 9y3 ? 2 |
B.
| Minimize | w = 203y1 + 16y2 + 80y3 |
| subject to: | 9y1 + y2 + 2y3 ? 2 |
C.
| Minimize | w = 80y1 + 16y2 + 203y3 |
| subject to: | 2y1 + y2 + 9y3 ? 2 |
D.
| Minimize | w = 203y11 + 16y2 + 80y3 |
| subject to: | 9y1 + y2 + 2y3 ? 2 |