Find all saddle points for the matrix game.
A. Entry a21 and entry a13
B. Entry a21 and entry a22
C. Entry a21
D. No saddle points
Answer: B
Mathematics
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Evaluate the spherical coordinate integral.
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Graph the hyperbola.
- 
= 1
A. 
B. 
C. 
D. 
Mathematics
Use a half-angle identity to find an exact value for the following, given the information about x. Find tan 
, given that sin x = - 
and x terminates in 180° < x < 270°.
A. 
B. - 7
C. - 
D. - 
Mathematics
Find the Taylor series for the given function. Give the interval of convergence.f(x) = 
A. 
+ 
x + 
x2 + . . . + 
xn + . . . ; (-2, 2)
B. 
+ 
x + 
x2 + . . . + 
xn + . . . ; (-5, 5)
C. 2 + 
x + 
x2 + . . . + 
xn + . . . ; (-2, 2)
D. 
x + 
x2 + 
x3 + . . . + 
xn + . . . ; (-5, 5)
Mathematics