Solve the problem.In a sports league of n teams in which each team plays every other team twice, the total number N of games to be played is given by N = n2 - n. What is the total number of games to be played in a football league having 10 teams?
A. 110
B. 90
C. 100
D. 20
Answer: B
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Solve using Cramer's rule, if possible. If it is not possible, state whether the system is inconsistent or has infinitely many solutions.
A. (-3, 5) B. (5, -3) C. (3, -5) D. (-5, -3)
Solve the exponential equation. Round to three decimal places when necessary.350 - (1.77)x = 0
A. 11.493 B. 9.025 C. 10.259 D. 11.272
Find the distance between the pair of points. Give an exact answer.(1, -5) and (7, -3)
A. 32
units
B. 2
units
C. 4 units
D. 32 units
?Locate any relative extrema and inflection points of the function 
.
?
A. ?relative minimum at 
; inflection point at 
B. ?relative minimum at 
; no inflection points
C. ?no relative maximum or minimum; inflection point at 
D. ?no relative extrema or inflection points.
E. ?relative maximum at 
; inflection point at 