HW-22 - , | 5 x y x y + D. ( 29 { } , | 5 x y x y + E. ( 29...

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Math 1314 – Homework 22 - Page 1 of 3 Math 1314 Homework 22 Enter your answers in the EMCF titled “Homework 22” at casa.uh.edu before the due date/time. 1. Suppose 2 2 ( , ) 3 5 8 6 10 f x y x y xy x y = - + + - . Find (0,0). f A. 10 B. -10 C. 2 D. -2 E. 4 2. Suppose 2 2 ( , ) 3 5 8 6 10 f x y x y xy x y = - + + - . Find (2,1). f A. -4 B. 8 C. 14 D. 24 E. -14 3. Suppose 2 2 ( , ) 3 5 8 6 10 f x y x y xy x y = - + + - . Find ( 1, 3). f - - A. 58 B. -52 C. 2 D. -74 E. 0 4. Suppose 2 2 ( , ) 4 f x y x y = - - . Find the domain. A. ( 29 { } , | , are real numbers x y x y B. ( 29 { } 2 2 , | 4 x y y x ≤ - C. ( 29 { } 2 , | 4 x y y x = - D. ( 29 { } 2 2 , | 4 x y x y + E. ( 29 { } 2 2 , | 4 x y y x -
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Math 1314 – Homework 22 - Page 2 of 3 5. Problem 16.1.12. A. ( 29 { } , , | , , are real numbers x y z x y z B. ( 29 { } 2 2 2 , , | 0 x y z x y z + + C. ( 29 { } 2 2 2 , , | x y z z x y + D. ( 29 { } , , | , , 0 x y z x y z E. ( 29 { } 2 2 2 , , | 0 x y z x y z + + 6. Suppose ( , ) ln( 5) f x y x y = - + . Find the domain A. ( 29 { } , | 5 x y x y + < B. ( 29 { } , | 5 x y x y + ≤ C. ( 29 { }
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Unformatted text preview: , | 5 x y x y + D. ( 29 { } , | 5 x y x y + E. ( 29 { } , | , are real numbers x y x y 7. Suppose ( , ) 4 9 xy f x y x y =-. Find the domain. A. ( 29 { } , | 4 9 x y x y-B. ( 29 { } , | 4 9 x y x y- C. ( 29 9 , | 4 x y y x D. ( 29 4 , | 9 x y y x E. ( 29 { } , | , are real numbers x y x y 8. Problem 16.1.26 A. 150 B. 167 C. 67 D. 121.5 E. 75 Math 1314 Homework 22 - Page 3 of 3 9. Problem 16.1.28: Find the revenue when 200 finished and 100 unfinished units are sold. Note that ( , ) R x y xp yq = + . A. $38,000 B. $20,000 C. $17,250 D. $41,500 E. $79,500 10. Problem 16.1.32b A. 86 liters B. 11.1 liters C. 1.5 liters D. 110 liters E. 14.2 liters...
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HW-22 - , | 5 x y x y + D. ( 29 { } , | 5 x y x y + E. ( 29...

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