Evaluate the polynomial for the given values of the variables.Evaluate x2 + 2y2 - 3xy for x = 2 and y = 5.
A. 54
B. -6
C. 84
D. 24
Answer: D
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Perform the indicated operations, expressing the answer in simplest form with rationalized denominators.
(
- 
)
A. 5
- 10
B. 45
C. 25 - 5
D. 25
The total weekly revenue (in dollars) of Country Workshop associated with manufacturing and selling their rolltop desks is given by the function
?
?
where x denotes the number of finished units and y denotes the number of unfinished units manufactured and sold each week. Compute 
and 
when x = 200 and y = 180. Interpret your results.
?
A. -$380/unit; -$20/unitThe weekly revenue decreases by $380/unit for each additional finished desk produced (beyond 200) when the level of production of unfinished desks remains fixed at 180; the revenue decreases by $20/unit when each additional unfinished desk (beyond 180) is produced and the level of production of finished desks remains fixed at 200.?
B. $36/unit; $24/unitThe weekly revenue increases by $36/unit for each additional finished desk produced (beyond 200) when the level of production of unfinished desks remains fixed at 180; the revenue increases by $24/unit when each additional unfinished desk (beyond 180) is produced and the level of production of finished desks remains fixed at 200.?
C. $36/unit; -$24/unitThe weekly revenue increases by $36/unit for each additional finished desk produced (beyond 200) when the level of production of unfinished desks remains fixed at 180; the revenue decreases by $24/unit when each additional unfinished desk (beyond 180) is produced and the level of production of finished desks remains fixed at 200.?
D. $24/unit; $36/unitThe weekly revenue increases by $36/unit for each additional finished desk produced (beyond 200) when the level of production of unfinished desks remains fixed at 180; the revenue decreases by $24/unit when each additional unfinished desk (beyond 180) is produced and the level of production of finished desks remains fixed at 200.?
Find the expected value.A fair coin is tossed three times, and a player wins $3 if 3 tails occur, wins $2 if 2 tails occur and loses $3 if no tails occur. If one tail occurs, no one wins. What is the expected value of the games?
A. $0.75 B. $2.00 C. -$3.00 D. $3.00
Graph the system of inequalities.x ? 0y ? 0x2 + y2 ? 9y + x ? -5
A. 
B. 
C. 
D. 