(part 1 of 4) Determine fa- fy when 1. 2. 3. 4. 6. f(x, y) = 4x² + 4xy - 4y² + x + 2y. fx-fy = 12x - 4y - 1 fx - fy = 12x - 4y +3 fx fy = 4x+12y - 1 fx fy= 4x+12y+3 fx - fy = 12x+12y+3 fx - fy = 4x - 4y - 1 (part 2 of 4) Determine fx + fy when f(x, y) = 1. fx + fy 2. fx + fy 3. fx + fy 4. fx + fy 5. fx + fy 6. fx + fy = 2x² 3xy + 3y² + 3x − y. = = = = = x + 3y + 4 7x + 3y + 4 x + 3y + 2 X - 7x - 9y+2 - 9y+2 7x9y+4 (part 3 of 4) Determine fx when 1. fx 2. fx 3. fx 4. fx 5. fx 6. fx f(x,y) = = = = = = = (x² + 2y) (y² − x). - 4xy² − y + 3x² y - 4xy² + 3x² y + 4xy² + 3x² 2xy²– 2y - 3x² 2y - 2xy² - 3x² 2xy² + 2y - 3x²
(part 1 of 4) Determine fa- fy when 1. 2. 3. 4. 6. f(x, y) = 4x² + 4xy - 4y² + x + 2y. fx-fy = 12x - 4y - 1 fx - fy = 12x - 4y +3 fx fy = 4x+12y - 1 fx fy= 4x+12y+3 fx - fy = 12x+12y+3 fx - fy = 4x - 4y - 1 (part 2 of 4) Determine fx + fy when f(x, y) = 1. fx + fy 2. fx + fy 3. fx + fy 4. fx + fy 5. fx + fy 6. fx + fy = 2x² 3xy + 3y² + 3x − y. = = = = = x + 3y + 4 7x + 3y + 4 x + 3y + 2 X - 7x - 9y+2 - 9y+2 7x9y+4 (part 3 of 4) Determine fx when 1. fx 2. fx 3. fx 4. fx 5. fx 6. fx f(x,y) = = = = = = = (x² + 2y) (y² − x). - 4xy² − y + 3x² y - 4xy² + 3x² y + 4xy² + 3x² 2xy²– 2y - 3x² 2y - 2xy² - 3x² 2xy² + 2y - 3x²
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Transcribed Image Text:(part 1 of 4)
Determine fa- fy when
1. fx − fy = 12x – 4y – 1
fx - fy =
12x - 4y +3
fx − fy = 4x +12y − 1
fx − fy = 4x+12y+3
-
2.
3.
4.
5.
f(x, y) = 4x² + 4xy – 4y² + x + 2y.
6.
fx − fy = 12x +12y+3
-
fx - fy= 4x - 4y - 1
(part 2 of 4)
Determine fx + fy when
f(x, y)
=
1. fx + fy
2. fx + fy
3. fx + fy
4. fx + fy
5. fx + fy
6. fx + fy
=
=
=
=
=
=
2x² − 3xy+3y² + 3x − y .
x + 3y + 4
7x + 3y + 4
x + 3y + 2
7x - 9y + 2
9y+2
x
7x - 9y + 4
(part 3 of 4)
Determine fx when
1. fx
2. fx
3. fx
4. fx
5. fx
6. fx
f(x,y)
=
=
=
=
=
=
=
(x² + 2y) (y² − x) .
4xy²
+3x²
y - 4xy² + 3x²
y + 4xy² + 3x²
2xy² - 2y
3x²
2y
2xy² - 3x²
2xy² + 2y - 3x²
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