Show your work 3 find and sketch the domain of f x

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Unformatted text preview: EID_____________ Each numbered problem is worth 10 points. Show your work. 3) Find and sketch the domain of f ( x, y ) = 1 + x − y 2 . (7pts) What is the range of f? (3pts) € x2 − y2 4) Show that lim does not exist. ( x , y )→( 0, 0 ) x 2 + y 2 € 2 Summer ‘09 TA________________ M408D Exam 3 Summer ‘09 Name________________________________ EID_____________ TA________________ Each numbered problem is worth 10 points. Show your work. 5) Find all the second partial derivatives of f ( x, y ) = x 3 y 5 + 2 x 4...
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