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 10 teams, each of which plays the others twice. If the league pays $47 per game for the field and officials, how much will it cost to play the entire schedule?
A. $4324
B. $4700
C. $4230
D. $5170
Answer: C
Mathematics
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Find the sum of the series as a function of x.
A. - 
B. - 
C. 
D. 
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Find the linear approximating polynomial for the function centered at a.f(x) = 5x2 - 2x + 5, a = 4
A. p1(x) = 42x + 85 B. p1(x) = 38x - 75 C. p1(x) = 42x - 75 D. p1(x) = 38x + 85
Mathematics
Determine whether the graph is connected or disconnected.
A. Disconnected B. Connected
Mathematics
Determine whether the three points are collinear.(16, -1), (7, 5), (25, -7)
A. Yes B. No
Mathematics