Find a polar equation of the conic with the given characteristics and with one focus at the pole.
Conic
Hyperbola
Vertices
a. 
b. 
c. 
d. 
e. 
b.
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Solve the problem.An auditorium has 20 rows with 10 seats in the first row, 12 in the second row, 14 in the third row, and so forth. How many seats are in the auditorium?
A. 620 seats B. 400 seats C. 390 seats D. 580 seats
Determine where the given function is concave up and where it is concave down. f(x) = x3 + 3x2 - x - 24
A. Concave down on (-?, -1) and (1, ?), concave up on (-1, 1) B. Concave up on (-?, -1), concave down on (-1, ?) C. Concave down for all x D. Concave up on (-1, ?), concave down on (-?, -1)
Solve the problem.The volume of a cube can be found by cubing the measure of one of its edges. Write an expression in exponential form to represent the volume of the cube in the figure if one edge measures T.
A. T3 B. 3T3 C. 4T3 D. 3T
Find all specified roots.Square roots of 4 + 4
i
A. 
- 
i, - 
+ 
i
B. 
+ 
i, - 
- 
i
C. - 
- 
i, 
- 
i
D. 
+ 
i, - 
- 
i