Find the limit.
A. -?
B. 0
C. Does not exist
D. ?
Answer: B
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Find a parametrization for the line segment joining the points.(5, 0, 5), (0, -5, 0)
A. x = -4t, y = 6t - 5, z = -4t, 0 ? t ? 1 B. x = -4t + 5, y = 6t, z = -4t + 5, 0 ? t ? 1 C. x = 5t, y = 5t - 5, z = 5t, 0 ? t ? 1 D. x = -5t + 5, y = -5t, z = -5t + 5, 0 ? t ? 1
Solve: 9x - 3(2x + 4) = 2(x - 12)
A. -
B. -
C. -12
D. -36
Find the velocity vector in terms of ur and u?.r = a(4 - cos ?) and 
= 7
A. v = 7a(4 - cos ?)ur + (7a sin ?)u? B. v = (4a sin ?)ur + 4a(7 - cos ?)u? C. v = (7a cos ?)ur + 7a(4 - sin ?)u? D. v = (7a sin ?)ur + 7a(4 - cos ?)u?
Find the volume. Use ? ? 3.14. Round to the nearest tenth when necessary.a rectangular solid with width = 3.2 yd, length = 9 yd, height = 6 yd
A. 172.8 yd3 B. 259.2 yd3 C. 61.4 yd3 D. 324 yd3