Find an equation of the line that contains the given point and is perpendicular to the given line.y = 4x - 2, (-2, 2)
A. y = 4x + 
B. y = -4x + 
C. y = 
x + 
D. y = - 
x + 
Answer: D
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Solve the problem.How many 9-symbol codes can be formed using 4 different symbols? Repeated symbols are allowed.
A. 3024 B. 15,120 C. 262,144 D. 126
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 |
Determine the maximum possible number of turning points for the graph of the function.f(x) = x2(x2 - 6)(7x + 3)
A. 2 B. 28 C. 4 D. 5
The sizes of two matrices A and B are given. Find the sizes of the product AB and the product BA, whenever these products exist.A is 4 × 4, and B is 4 × 4.
A. 4 × 4; 4 × 4 B. 8 × 4; 8 × 4 C. 4 × 8; 4 × 8 D. 1 × 1; 1 × 1