Compute AB, if possible.A = [ -7 -2 5] and B = 
A. 
B. not possible
C. 
D. [10 7 61]
Answer: D
Mathematics
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Match the vector equation with the correct graph.
r(t) = 
ti +(2 - t)k; 0 ? t ? 2
A. Figure 8 B. Figure 1 C. Figure 5 D. Figure 3
Mathematics
Solve by completing the square. Give exact solutions. Simplify radicals and reduce.x2 + 16x + 53 = 0
A. -8 ± 
B. 8 + 
C. -16 + 
D. 8 ± 
Mathematics
Use the product rule to simplify.
A. 3
B. 2
C. 6
D. 5
Mathematics
Solve for the variable.-7b + 4 + 5b = -3b + 9
A. 9 B. 5 C. -4 D. -9
Mathematics