Find the coordinates of the vertex of the quadratic function.f(x) = -(x + 5)2 + 7
A. (5, 7)
B. (-5, 7)
C. (7, -5)
D. (7, 5)
Answer: B
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For the indicated voting system, determine the quota, the number of voters, and the weights of the voters.[51 : 20, 20, 20, 10, 10]
A. Quota: 51, number of voters: 5, weights: 20, 20, 20, 10, and 10 B. Quota: 80, number of voters: 51, weights: 20, 20, 20, 10, and 10 C. Quota: 5, number of voters: 51, weights: 20, 20, 20, 10, and 10 D. Quota: 20, number of voters: 51, weights: 20, 20, 20, 10, and 10
Solve the problem.At the two points where the curve x2 + 2xy + y2 = 4 crosses the x-axis, the tangents to the curve are parallel. What is the common slope of these tangents?
A. 0 B. -2 C. -1 D. 1
Graph the rational function.f(x) = 
A. 
B. 
C. 
D. 
Find the matrix product, if possible.
A. 
B. 
C. 
D. Does not exist