Use the graph to find a ? > 0 such that for all x, 0 < 
< ? ? 
< ?.
A. ? = 0.5625
B. ? = 1
C. ? = 0.4375
D. ? = 3
Answer: C
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Solve the problem.A board is made up of two women (W) and three men (M). In order to pass a motion, three of the five including at least one woman must vote "yes". Which of the following weighted voting systems represent this situation?
A. [8 : 3, 3, 2, 2, 2] B. [3 : 1, 1, 1, 1, 1] C. [7 : 3, 3, 2, 2, 2] D. [6 : 3, 3, 2, 2, 2] E. none of these
Factor completely.18x2 - 63x - 36
A. 9(2x - 1)(x + 4) B. (18x - 9)(x + 4) C. 9(2x + 1)(x - 4) D. prime
Find the domain and range of the inverse of the given function.f(x) = 
A. Domain: all real numbers; range: [2.1, ?) B. Domain and range: all real numbers C. Domain: [2.1, ?); range: [0, ?) D. Domain: all real numbers; range: [0, ?)
Find the largest open interval where the function is changing as requested.Increasing f(x) = x2 - 2x + 1
A. (0, ?) B. (-?, 1) C. (1, ?) D. (-?, 0)