Decide whether the limit exists. If it exists, find its value.lim f(x)x?0
A. 2
B. 0
C. Does not exist
D. -2
Answer: C
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Find the domain of the rational function. Write your answer in set-builder notation.f(x) = 
A. {x|x ? -3, 9, 0}
B. {x|x ? -9, -3, 0}
C. 
D. 
For the given pair of similar triangles, name the corresponding side or angle in the other triangle.?A
A. ?R B. ?S C. ?T D. ?C
Find the vertices, foci, and asymptotes for the hyperbola. Graph the hyperbola.
- 
= 1
A. Vertices at (-6, 0) and (6, 0);
Foci at (- 6
, 0) and (6
, 0);
Asymptotes: y = - 
x and y = 
x
B. Vertices at (0, -12) and (0, 12);
Foci at (0, - 6
) and (0, 6
);
Asymptotes: y = - 
x and y = 
x
C. Vertices at (0, -6) and (0, 6);
Foci at (0, - 6
) and (0, 6
);
Asymptotes: y = - 
x and y = 
x
D. Vertices at (-12, 0) and (12, 0);
Foci at (- 6
, 0) and (6
, 0);
Asymptotes: y = - 
x and y = 
x
The pictograph below shows the number of television sets sold during the year by each salesperson in a certain company. Use this information to answer the question.
(a) What is the difference between the amount of T.V.'s sold by the second-highest salesperson and the third-highest salesperson?(b) What percent of the total number of T.V.'s is this?
A.
| (a) 40 T.V.'s | (b) 10% |
B.
| (a) 30 T.V.'s | (b) 7.5% |
C.
| (a) 20 T.V.'s | (b) 5% |
D.
| (a) 10 T.V.'s | (b) 2.5% |