For the given rational function, find all values of x for which y has the indicated value.y = 
; y = 
A. -2
B. 
C. - 
D. 2
Answer: D
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Identify the type of surface represented by the given equation.
+ 
- 
= 1
A. Ellipsoid B. Elliptic cone C. Hyperboloid of one sheet D. Hyperboloid of two sheets
Evaluate the function for the given value of x.f(x) = -7x2 - 4x - 9 , x = - 8
A. f( - 8) = -489 B. f( - 8) = -433 C. f( - 8) = -422 D. f( - 8) = -425
Perform the indicated operation. Assume that variables represent positive numbers.(
- 9)(
+ 3)
A. x2 - 6x - 27
B. 2x - 27
C. x + 6
+ 27
D. x - 6
- 27
Write the ratio in fraction notation.A company with 1080 total employees prepares the following analysis for the length of time its employees have been with the company. Use the table to answer the question. 
What is the ratio of the number of employees working 4 years or less but more than 2 years to the total number of employees?
A. 
B. 
C. 
D. 