Match the vector equation with the correct graph.
r(t) = sin tj - cos tk; 0 ? t ? 
A. Figure 2
B. Figure 7
C. Figure 4
D. Figure 1
Answer: A
Mathematics
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Solve the rational inequality. Express the solution using interval notation.
? 0
A. [-6, 6) B. (-?, -6] ? (4, ?) C. (4, 6) D. [-6, 4)
Mathematics
Let A = {q, s, u, v, w, x, y, z}, B = {q, s, y, z}, 
and 
Specify the following set.B ? C
A. {y, z} B. {q, s, u, w, y, z} C. {q, s, v, w, x, y, z} D. {q, w, y, z}
Mathematics
Simplify the expression. Assume that all variables are positive.a1/2(a1/4 - a-1/4)
A. a3/4 + a1/4 B. a1/4 - a3/4 C. a3/4 - a1/4 D. a1/4 + 2a3/4
Mathematics
Solve using the addition principle.x - 8 = -8
A. 0 B. 1 C. -16 D. 16
Mathematics