Find the domain of the function of two variables.f(x, y) = 
A. {(x, y)| y ? 3x2}
B. {(x, y)| y ? 3x2}
C. {(x, y)| y ? -3x2}
D. {(x, y)| y ? -3x2}
Answer: B
Mathematics
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Find the missing quantities. Round money to the nearest cent and rates to the nearest tenth of a percent.Cost price: $283.37Markup: $252.49Selling price:
% Markup on selling price: 
A. $535.86, 817.6% B. $535.86, 47.1% C. $30.88, 47.1% D. $30.88, 817.6%
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What part of the object or set of objects is shaded?
A. 
B. 
C. 
D. 
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Find the slope of the line.- 2x + y = 7
A. m = 7
B. m = 
C. m = - 2
D. m = 2
Mathematics