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122quiz4ans - Due October 8 2008 Math 122 Quiz 4 Name A...

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Unformatted text preview: Due October 8, 2008 Math 122 - Quiz 4 Name A NSvJ E R S 1. Find the partial derivatives, fi(x,y) and f),(x,y), if f(x,y) = ye”. x x Ky“ \ lybwlt girdl- QY‘LVQ 37ml 2. For h(x, y) = 1n(x2 + yz), find hx(3, 4). hxcxy>~§ “(be/1X5: ixxbfi) : 1L5) E; 3w 3. Find the second-order partials, f“, f”, fwand f”,,if f(x,y)=4x2—3x3y2+y3. ( . ’ Xx 9* ' L irx x Y) 7 {Kytmfiiyxo‘v} 2 —/8>< 7i 1 4. Use Simpson’s Rule with n = 6 to approximate, to eight decimal places, Jr= J4 alx. Ltd Rx VS; AX _ Lg: mo 01” W. X $653 wt ‘pCXl 0 Li 1 L1 Zw’r'i'QQ-AX/as '/c, 3.?“ 2‘“ 8917 L: 15567 54,7 5cm, :— fiiw’m y}, 3J0 Z 7-7- ; [germ 652 05583 \ lZ-B /o, 3'7“ Ll # 539; «3.1%! $61) 723m 7/3 2.7901 230 7592 z 5.53% ’1‘bl 5/9 2.350 as: 7377 ‘l 9-H” 4,22 9502 [CW +0 rrr : {L 2. l __2;_____________,_,_. 3, . Ml §°IZ L’B-SE, ..- sea Zwt-Rx) 2 59"”8 (952 D bvfivuce= 872W” 3 ...
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