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Math 211 15.2 Partial Derivatives Homework It’s an easy HW, but I’m busy right now. 16 straight forward quotations. From Cengage Wedassign.I couldn’t send

Math 211 15.2 Partial Derivatives Homework It’s an easy HW, but I’m busy right now. 16 straight forward quotations. From Cengage Wedassign.I couldn’t send all the questions because the web sight only allows five pictures. Therefore, I will send the rest of the pictures to the touter 1.
-76.25 points WaneFMAC7 15.2.002.
My Notes
and
af af af
Calculate
əx’ ay’ ax|(1, -1)
f(x, y) 500 + 5x – 2y
when defined. (If an answer is undefined, enter UNDEFINED.)
af
ay |(1, -1)
af
ax
af
ay
af
=
ax(1, -1)
af
=
ay |(1, -1)
2.
–76.25 points WaneFMAC7 15.2.003.
My Notes
when defined. (If an answer is undefined, enter UNDEFINED.)
I
I
af af af
Calculate
and
ax’ay’ ax|(1, -1)
f(x, y)
7×2 – y3 + x – 3
af
ay (1, -1)
=
af
ax
af
ay
af
ax|(1, -1)
af
ay |(1, -1)
=
=
3.
–76.25 points WaneFMAC7 15.2.005.
My Notes
when defined. (If an answer is undefined, enter UNDEFINED.)
af af af
af
Calculate
and
дх’ дуƏх (1,-1)
ay |(1, -1)
f(x, y) 11,000
45x + 18y +15xy
af
ax
af
ay
af
əx |(1, -1)
af
ду (1, -1)
=
4.
-16.25 points WaneFMAC7 15.2.007.
My Notes
when defined. (If an answer is undefined, enter UNDEFINED.)
1
I
af af af
Calculate
and
ax’ay’əx|(1, -1)
f(x, y) 8x²y
af
ay (1, -1)
=
af
ax
af
ay
af
ax|(1, -1)
af
ду (1, -1)
=
=
5.
-76.25 points WaneFMAC7 15.2.010.
My Notes
when defined. (If an answer is undefined, enter UNDEFINED.)
af af af
af
Calculate
and
ax’ ay’ax (1, -1)
f(x, y) = = x-7y2 + xy2 + 5xy
ay (1, -1)
af
ax
af
ду
af
=
ax|(1, -1)
af
ay (1, -1)
=
6.
-/6.25 points WaneFMAC7 15.2.011.MI.
My Notes
Calculate
af af af
ax’ ay əx (1, -1)
and
when defined. (If an answer is undefined, enter UNDEFINED.)
1
af
ду (1, -1)
f(x, y) = (2xy + 1)3
af
ax
=
af
ду
af
ax|(1, -1)
af
ay (1, -1)
7.
—6.25 points WaneFMAC7 15.2.012.
My Notes
and
T
af
when defined. (If an answer is undefined, enter UNDEFINED.)
ду
(1, -1)
af af af
Calculate
дхдудх
(1, -1)
8
f(x, y)
(xy + 1)3
=
Әf
Әх
II
af
ду
=
af
Әх
=
(1, -1)
af
ду
=
(1, -1)
8.
—6.25 points WaneFMAC7 15.2.018.
My Notes
af af af
Calculate
дхдудх
|(1, -1)
f(x, y)
af
and
when defined. (If an answer is undefined, enter UNDEFINED.)
ду
(1, -1)
= 2xe7xy
af
дх
=
af
ду
af
Әх
(1, -1)
af
ду
(1, -1)
=
9.
—6.25 points WaneFMAC7 15.2.020.
My Notes
І
=
ә?f ə2f ә2f ә?f
Find
and
Әx2 ду?” дхду дудх
f(x, y) 1,000 + 7x – бу
ә2f
дх2
ә2f
ду?
ә2f
Әхду
ә2f
дудх
Evaluate them all at (1, -1) if possible. (If an answer is undefined, enter UNDEFINED.)
ә2f
2(1, -1) =
Әx2
ә2f
дуг (1, -1) =
ә2f
-(1, -1) =
Әхду
ә2f
-(1, -1) =
дудх

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