Find the domain of the rational function.f(x) = 
A. all real numbers
B. {x|x ? -4, x ? 4, x ? -5}
C. {x|x ? -4, x ? 4}
D. {x|x ? 0, x ? 16}
Answer: C
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Write decimal notation.- 
A. -0.60988 B. -0.060988 C. -6.0988 D. -60.988
Write the percent problem as an equation and solve.What percent of 50 is 12?
A. 54% B. 24% C. 27% D. 12%
Provide an appropriate response.A line passes through the points (6, 1) and (6, 2). The equation of this line is 
. The slope of the line is 
.
A. x = 6; undefined B. y = 6; undefined C. y = 6; 0 D. x = 6; 0
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 6 teams, each of which plays the others twice. If the league pays $42 per game for the field and officials, how much will it cost to play the entire schedule?
A. $1764 B. $1512 C. $1260 D. $1344