Solve the problem.If there are x teams in a sports league and all the teams play each other twice, a total of N(x) games are played, where N(x) = x2 - x. A soccer league has 8 teams, each of which plays the others twice. If the league pays $49 per game for the field and officials, how much will it cost to play the entire schedule?
A. $2842
B. $3528
C. $2744
D. $3136
Answer: C
Mathematics
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Solve the problem.The reliability R of a certain product is found to be 
where t is time of operation in hours. (R = 1 is perfect reliability, and R = 0.5 means there is a 50% chance of a malfunction). Sketch the graph.
A. 
B. 
C. 
D. 
Mathematics
Find the slope and the y-intercept of the given line.y = - 
x + 5
A. - 
; (0, -5)
B. - 
; (0, 5)
C. 
; (0, 5)
D. 
; (0, -5)
Mathematics
Provide an appropriate response.3 × 10-2 = 
.
A. 0.03 B. 0.003 C. 300 D. 30
Mathematics
Graph the equation.(x + 1)2 = -6(y + 2)
A. 
B. 
C. 
D. 
Mathematics