Find the domain of the rational function.f(x) = 
A. {x|x ? 0}
B. {x|x ? 6}
C. {x|x ? -6}
D. all real numbers
Answer: C
Mathematics
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Solve the equation.7x + 8 = 0
A. 
B. 
C. - 
D. - 
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Write the rate as a unit rate.A vendor earns $1460 in 2 weeks.
A. $486.67/wk B. $365.00/wk C. $0.0014/wk D. $730.00/wk
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Solve the problem.The number of cows that can graze on a ranch is approximated by 
where x is the number of acres of grass and y the number of acres of alfalfa. If the ranch has 75 acres of alfalfa and 25 acres of grass, how many cows may graze?
A. 600 cows B. 798 cows C. 598 cows D. 800 cows
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Solve.2x2 + 10x = - 4
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Mathematics