Determine the number that should be added to complete the square of the expression. Then factor the expression.x2 + 
x
A. 
; 
2
B. 144; (x +12)2
C. 
; 
2
D. 
; 
2
Answer: C
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Graph the given equation, indicating vertices, foci, and asymptotes (if it is a hyperbola).36x2 + 49y2 = 1764
A. 
Vertices: (0, ±7); Foci (0, ±
)
B. 
Vertices: (±
, 0) Foci: (±7, 0)
C. 
Vertices: (±7, 0); Foci: (0, ±
)
D. 
Vertices: (±7, 0); Foci: (±
, 0)
Graph the function.Graph two periods of the function f(x) = -cot 
+ 1.
A. 
B. 
C. 
D. 
Determine whether the graph of the polynomial has y-axis symmetry, origin symmetry, or neither.
A. y-axis symmetry B. origin symmetry C. neither
Evaluate the function for the indicated input and interpret the result.The table lists the number of persons voting in an election by election year and sex, for a small community. 
Let this table be a partial numerical representation of a function f, where 
computes the number of persons who voted in the year x whose sex is y. Evaluate 
Interpret the result.
A. f (1992, Male) - f (1992, Female) = 120 In the year 1992, 120 more men voted than women. B. f (1992, Male) - f (1992, Female) = 111 In the year 1992, 111 more men voted than women. C. f (1992, Male) - f (1992, Female) = -120 In the year 1992, 158 more women voted than had previously voted in 1988. D. f (1992, Male) - f (1992, Female) = 158 In the year 1992, 158 more men voted than women.