# 11 - M408D Practice problems for Exam #6 (new material...

This preview shows pages 1–2. Sign up to view the full content.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: M408D Practice problems for Exam #6 (new material only) Directions . Indicate the correct answer for each problem by filling in the appropriate space, as in (A) ( • ) (C) (D) (E). 1) Which of the following contour maps shows all the local min, max and saddle points (if any) of the function f ( x,y ) = x 3- 6 xy + y 3 ? (A) Minus 3 Minus 2 Minus 1 1 2 3 x Minus 3 Minus 2 Minus 1 1 2 3 y (B) Minus 3 Minus 2 Minus 1 1 2 3 x Minus 3 Minus 2 Minus 1 1 2 3 y (C) Minus 3 Minus 2 Minus 1 1 2 3 x Minus 3 Minus 2 Minus 1 1 2 3 y (D) Minus 3 Minus 2 Minus 1 1 2 3 x Minus 3 Minus 2 Minus 1 1 2 3 y (E) Minus 3 Minus 2 Minus 1 1 2 3 x Minus 3 Minus 2 Minus 1 1 2 3 y 2) The net volume between the xy-plane and the graph z = e 2 y sin πx , 0 ≤ x ≤ 1, 0 ≤ y ≤ 1 / 2 is: (A) 2 e- 1 eπ . (B) e 2- 1 2 π . (C) e- 1 π . (D) π e 2 + 1 . (E) 1- e 2 π . 3) The maximum value of the function f ( x,y ) = x + y on the curve 3 x 2 + 2 y 2 = 6 is: (A) f = √ 5. (B) f = 1. (C) f = √ 3. (D) f = 10 3 .....
View Full Document

## This note was uploaded on 01/27/2011 for the course M 408d taught by Professor Sadler during the Spring '07 term at University of Texas.

### Page1 / 2

11 - M408D Practice problems for Exam #6 (new material...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online