Graph the inequality.y < -4x + 1
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem.Find the number of games played in a round robin tournament for the given numbers of teams. In a round robin tournament every team plays every other team once.
Use inductive reasoning to find a formula for the number of games played in a round robin tournament involving n teams.
A. 6 teams: 16 games 7 teams: 20 games n teams : 4(n - 2) games B. 6 teams: 21 games 7 teams: 28 games n teams : n(n + 1)/2 games C. 6 teams: 15 games 7 teams: 21 games n teams : n(n - 1)/2 games D. 6 teams: 14 games 7 teams: 18 games n teams : 4n - 10 games
Round the number as indicated.3649 to the nearest thousand
A. 5000 B. 4100 C. 4000 D. 3890
The pH of a solution is given by the formula 
, where 
is the concentration of hydrogen ions in moles per liter in the solution. Use this formula to solve the problem.Lower levels of pH indicate a more acidic solution. If the pH of solution A is 4.2 and the pH of solution B is 6.9, how much more acidic is solution A than solution B?
A. 0.0000630 times as acidic B. 501.2 times as acidic C. 0.00200 times as acidic D. -0.0000630 times as acidic
Divide.
A. x + 2 B. x + 9 C. 9 - x D. x - 9