Solve the equation.
+ 
= 4
A. {3}
B. ?
C. {-3}
D. 
Answer: D
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Compute the gradient of the function at the given point.
A. - 
i - 
j
B. - 
i + 
j
C. - 
i + 
j
D. - 
i - 
j
For an election with four candidates (A, B, C, and D) we have the following preference schedule:
The ranking of the candidates using the plurality-with-elimination method is
A. first: D; second: C; third: B; fourth: A. B. first: C; second: A; third: D; fourth: B. C. first: D; second: A; third: C; fourth: B. D. first: C; second: D; third: A; fourth: B. E. none of these
Use the graph to determine the equation of the parabola.
A. y = (x + 2)2 + 3 B. y = (x - 2)2 - 3 C. x = (y - 2)2 + 3 D. x = (y + 2)2 + 3
Use properties of limits and algebraic methods to find the limit, if it exists.
?
?
A. 
B. 
C. 
D. 
E. does not exist