Let A = 
and B = 
. Find the third row of AB.
A. [31 11 16]
B. [18 23 16]
C. [25 18 58]
D. [7 4 6]
E. none of these
Answer: B
Mathematics
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A. (1, 0)
B. (1, ?)
C. 
D. 
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Match the vector equation with the correct graph.
r(t) = (3 - 2t)i + tj; 0 ? t ? 
A. Figure 1 B. Figure 8 C. Figure 5 D. Figure 3
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Use a calculator to evaluate the radical expression, rounding to the nearest thousandth.5
A. 15.840 B. -15.840 C. -15.811 D. 15.811
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Evaluate the integral.
?
?
A. 642 B. 615 C. 18 D. 606 E. 588
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