Find all values that make the rational expression undefined. If the rational expression is defined for all real numbers, so state.
A. y = 36
B. y = 6, y = -6
C. y = 6
D. y = 
Answer: B
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Solve the problem.A satellite following the hyperbolic path shown in the picture turns rapidly at (0, 6) and then moves closer and closer to the line y = 
x as it gets farther from the tracking station at the origin. Find the equation that describes the path of the satellite if the center of the hyperbola is at (0, 0).
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Find all square roots of the number.
A. - 
, 
B. - 
, 
C. - 
, 
D. - 
, 
Simplify the fraction to lowest terms.- 
A. 
B. - 
C. 
D. - 
Solve the problem.Suppose all items in an ice cream truck cost $0.80 per item. (a) Fill in the table with the correct response for the cost f(x) of purchasing x items. (b). Write the linear function that gives a rule for finding the cost. 
A.
(a)  | (b) f(x) = 0.80x + 0.80 |
B. None of these
C.
(a)  | (b) f(x) = 0.80x |
D.
(a)  | (b) f(x) = 0.80 |