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Unformatted text preview: Ix and I y . (a) fCx,y) /0 Question 4: Let [ex, y) = 6x 2 + 6y 2 + 6xy + 36x 5. (a) (5 points) Find all critical points for f. (b) (5 points) Determine whether each critical point is a local maximum, local minimum, saddle point, or inconclusive. Question 5: Use differentials to approximate '/6.07 2 + 7.95 2 . (5 points) SX 2 +y2 Question 6: (5 points) Let W = . Evaluate dw for x= 2, y=l, z=l, dx=0.02, z+l dy= 0.03, dz=0.02. f;r 2 (; (f) (0) J 'o x + '2. . 21 o ..L Z7 I :: .l (I L{) ,i /2 I "2, 72. Y \ , := I\ lI'lA. . b, fb &.1 "2,. S J~ b \ c\ lV\. \ l"l \0l' U \~ \~ \ ClO l"2I '1.) o I t#\. ,7./ J .1 (. ") ~ /0 ..J { C o ( ..C o 000 (()/000 / (: ;;) ( J ( ( (. ) ( ( , r A ~ + (/ I ~ . I 5 CJ 0 I ( ! I ( ) \ I , , \I == , (,I ( ( { ( ) 2 (~ ~( /  ( o. 2...
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This note was uploaded on 01/22/2011 for the course MATH 2 taught by Professor Brown during the Summer '10 term at San Jose City College.
 Summer '10
 brown

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