Find the unknown number in the proportion. Write your answer as a whole number or a mixed number if possible.
= 
A. x = 4
B. x = 16
C. x = 9
D. x = 1
Answer: D
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Solve the problem.An election is held among five candidates (A, B, C, D, and E) and A gets a majority of the first place votes but B wins the election. Which of the following methods could have been the method used to decide this election?
A. The plurality-with-elimination method B. The Borda count method C. The method of pairwise comparisons D. all of these E. none of these
Sketch the logarithmic function.f(x) = log4 (x) - 2
A. 
B. 
C. 
D. 
Consider the functions f and g as shown in the graph. Answer the question.What is the value of (f/g)(3)?
A. -2 B. -1 C. 1 D. Undefined
Complete the identity.cos (? + ?) cos (? - ?) = ?
A. 2 - sin2? - sin2? B. cos2? - 2 sin2? sin2? C. cos (?2) cos (?2) + sin (?2) sin (?2) D. cos2? - sin2?