Solve the problem.A company makes 3 types of cable. Cable A requires 3 black, 3 white, and 2 red wires. B requires 1 black, 2 white, and 1 red. C requires 2 black, 1 white, and 2 red. They used 100 black, 110 white and 80 red wires. How many of each cable were made?
A. 20 cable A; 93 cable B; 10 cable C
B. 20 cable A; 20 cable B; 83 cable C
C. 10 cable A; 20 cable B; 20 cable C
D. 20 cable A; 20 cable B; 10 cable C
Answer: D
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Use the following definitions to translate the statement into words. p: The monitor is included. q: The color printer is optional. r: The zip drive is extra.~(p ? q) ? (r ? ~q)
A. If the monitor is included and the color printer is optional, then the zip drive is extra or the color printer is not optional. B. It is not true that if the monitor is included or the color printer is optional, then the zip drive is extra and the color printer is not optional. C. It is not true that if the monitor is included and the color printer is optional, then the zip drive is extra or the color printer is not optional. D. If the monitor is included and the color printer is optional, then it is not true that the zip drive is extra or the color printer is not optional.
Solve the problem.The curves y = ax2 + b and y = 2x2 + cx have a common tangent at the point (-1, 0). Find a, b, and c.
A. a = 1, b = 0, c = 2 B. a - 2, b = 1, c = -1 C. a = -1, b = 1, c = -2 D. a = 1, b = -1, c = 2
Find the limit of the sequence if it converges; otherwise indicate divergence.an = 
A. 0 B. ln 8 C. 1 D. Diverges
Write the linear system corresponding to the reduced augmented matrix.
A. No Solution B. x1 = 4, x2 = 0 C. x1 = -4, x2 = 0 D. x1 = 4, x2 = t for any real number t