Find the dot product, u ? v, for the given vectors.u = 
, v = 
A. 9
B. 51
C. -53
D. -57
Answer: B
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For what values of x does the series converge absolutely?
A. x = 0 B. 0 ? x < ? C. -1 < x < 1 D. -1 ? x ? 1
Find Dxy.y = csch 
A. 
csch 
coth 
B. -csch 
coth 
C. - 
csch 
coth 
D. csch 
coth 
Solve.10,500 college students were asked to name their favorite sport. Of this group, 
said basketball, 
said soccer, 
said baseball, 
said they had no favorite sport, and the remainder said volleyball. How many named each sport? 
A. Basketball: 3,500 Soccer: 2,100 Baseball: 1,800 Volleyball: 2,575 None: 525 B. Basketball: 3,500 Soccer: 2,100 Baseball: 1,750 Volleyball: 2,635 None: 515 C. Basketball: 3,500 Soccer: 2,100 Baseball: 1,750 Volleyball: 2,625 None: 525 D. Basketball: 3,500 Soccer: 2,050 Baseball: 1,750 Volleyball: 2,675 None: 525
Identify the correspondence.The two triangles shown below are congruent. List the sides corresponding to 
, 
, and 
in order.
A. 
, 
and 
B. 
, 
and 
C. 
, 
and 
D. 
, 
and 