Let A = {q, s, u, v, w, x, y, z}, B = {q, s, y, z}, 
and 
List the elements in the following set.A ? ?
A. {q, s, u, v, w, x, y, z} or A
B. {w, y}
C. ?
D. {q, s, u, v, x, z}
Answer: C
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For the smooth curve r(t), find the parametric equations for the line that is tangent to r at the given parameter value 
r(t) = (9 tan t)i - (9 sin t)j + (4 cos2 t)k ; t0 = 
A. x = 9 + 18t, y = -
- 
t, z = 4 - 4t
B. x = 18 + 9t, y = -
- 
t, z= -4 + 2t
C. x = 9 + 18t, y = -
- 
t, z = 2 - 4t
D. x = 9 + 18t, y = -
+ 
t, z = 2 + 4t
Express the transform of the given expression in terms of s and ?
.y" + y', f 
= 0, f' 
= 0
A. s3?
+ s?
B. s2?
C. s2?
+ s?
D. s2?
+ ?
Answer the following statement(s) true (T) or false (F)
The TIMSS study showed that over-emphasis of conceptual knowledge is a persistent problem in U.S. mathematics classrooms.
Suppose ? is an angle in standard position. Given either a point on the terminal side of ? or an equation of the terminal side of ?, give the exact value of the indicated trigonometric function(s). (6, 8); find cos ?.
A. 
B. 
C. 
D. 