Find the domain of f.f(x) = 
A. {x 
}
B. All real numbers
C. {x 
}
D. {x 
}
Answer: D
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Determine if each ordered pair is a solution to the given system of inequalities in two variables.xy = 54x2 + y2 = 117(i) (9, -6); (ii) (-6, -9)
A. (i) No; (ii) Yes B. (i) No; (ii) No C. (i) Yes; (ii) Yes D. (i) Yes; (ii) No
Solve the problem.The amount of particulate matter left in solution during a filtering process is given by the equation 
where n is the number of filtering steps. Find the amounts left for 
and 
(Round to the nearest whole number.)
A. 700, 22 B. 700, 5600 C. 700, 88 D. 1400, 88
Use properties of limits to find the indicated limit. It may be necessary to rewrite an expression before limit properties can be applied.
A. 
B. - 
C. 
D. does not exist
Solve the problem.When Chris sends a customer's order to the company, she must send the total amount of sales minus her 37% commission. How much money should accompany a total order of $62?
A. $84.94 B. $25.00 C. $22.94 D. $39.06