Find the coordinates of the vertex of the quadratic function.f(x) = (x + 2)2 + 4
A. (4, -4)
B. (-2, 4)
C. (4, -2)
D. (-4, 2)
Answer: B
Mathematics
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Simplify.(x5)-3
A. x15
B. x8
C. 
D. 
Mathematics
Solve the problem.An election is held among six candidates (A, B, C, D, E and F). There are 57 voters. Using the method of pairwise comparisons, A, B, and C win 2 pairwise comparisons each. D wins 4 pairwise comparisons, E wins no pairwise comparisons, and F wins all the rest. In this election
A. There is no Condorcet candidate. B. F is a Condorcet candidate. C. D is a Condorcet candidate. D. Cannot be determined from the information given. E. none of these
Mathematics
Solve.13x + 11 = 180
A. 13 B. 156 C. 2 D. 160
Mathematics
Find the distance d(P1, P2) between the points P1and P2.P1 = (-6, -4); P2 = (6, 4)
A. 4
B. 80
C. 4
D. 80
Mathematics