Answer the question about the given function.Given the function f(x) = 
, if x = -2, what is f(x)? What point is on the graph of f?
A. 
; (
, -2)
B. - 4; (-2, - 4)
C. - 4; (- 4, -2)
D. 
; (-2, 
)
Answer: D
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Solve the problem.Computer Specialists is planning a group vacation to one of the following locations: Alaska (A), Florida (F), San Antonio (S), or Hawaii (H). The employees rank the four possible sites according to the following preference table: 
If the plurality with elimination method is used to determine the winner, is the head-to-head criterion satisfied?
A. Yes B. No
Use a right triangle to write the expression as an algebraic expression. Assume that x is positive and in the domain of the given inverse trigonometric function.cos(tan-1 x)
A. x
B. 
C. 
D. 
Solve the system of equations.
A. x = 0, y = 0, z = 5; (0, 0, 5) B. x = 0, y = 5, z = 0; (0, 5, 0) C. x = 0, y = 5, z = -5; (0, 5, -5) D. inconsistent
Find all points where the function is discontinuous.
A. x = 0 B. None C. x = -2, x = 2 D. x = -2, x = 0, x = 2