Use the vertical line test to determine whether the graph represents a function.
A. not a function
B. function
Answer: B
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Determine the Shapley-Shubik index of each voter in the weighted voting system[9 : 6, 4, 3]
A. All have index 
.
B. A has index 
; B and C have index 
.
C. A and B have index 
; C has index 
.
D. A and C have index 
; B has index 
.
Refer to the weighted voting system 
and the Banzhaf definition of power. (The four players are P1, P2, P3, and P4.)What is the total number of winning coalitions?
A. 5 B. 15 C. 3 D. 1 E. none of these
Write the function f as a set of ordered pairs. Give the domain and range of f.f(-1) = -10, f(1) = 5, f(4) = 10, f(9) = 8
A. f = {(-10, -1), (5, 1), (10, 4), (8, 9)}; D = {-1, 1, 4, 9}; R = {-10, 5, 8, 10} B. f = {(-10, -1), (5, 1), (10, 4), (8, 9)}; D = {-10, 5, 8, 10}; R = {-1, 1, 4, 9} C. f = {(-1, -10), (1, 5), (4, 10), (9, 8)}; D = {-1, 1, 4, 9}; R = {-10, 5, 8, 10} D. f = {(-1, -10), (1, 5), (4, 10), (9, 8)}; D = {-10, 5, 8, 10}; R = {-1, 1, 4, 9}
Subtract.429 - 69
A. 372 B. 360 C. 460 D. 350