quiz5 - Math 21A (2006 Summer Session I) Kouba Quiz 5 KEY...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Background image of page 1

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

View Full DocumentRight Arrow Icon
Background image of page 2
Background image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Math 21A (2006 Summer Session I) Kouba Quiz 5 KEY Please PRINT your name here : _________________________________________________________ -- Your Four-Digit Exam ID Number __________ __ 1. IT IS A VIOLATION OF THE UNIVERSITY HONOR CODE TO, IN ANY WAY, ASSIST ANOTHER PERSON IN THE COMPLETION OF THIS QUIZ. IT IS A VIOLATION OF THE UNIVERSITY HONOR CODE TO COPY ANSWERS FROM ANOTHER STUDENT’S EXAM. PLEASE KEEP YOUR OWN WORK COVERED UP AS MUCH AS POSSIBLE DURING THE QUIZ SO THAT OTHERS WILL NOT BE TEMPTED OR DISTRACTED. THANK YOU FOR YOUR COOPERATION. VIOLA- TIONS CAN RESULT IN EXPULSION FROM THE UNIVERSITY. 2. No notes, books, or classmates may be used as resources for this exam. YOU MAY USE A CALCULATOR ON THIS EXAM. 3. Read directions to each problem carefully. Show all work for full credit. In most cases, a correct answer with no supporting work will receive little or no credit. What you write down and how you write it are the most important means of your getting a good score on this quiz. Neatness and organization are also important. 4. Make sure that you have 3 pages, including the cover page. 5. You will be graded on proper use of derivative notation. 1.) (10 pts.) Use a differential to estimate the value of \/ 18. Use a calculator to determine a percentage error relative to the exact value. ink—Hxhwf? / leéa—‘F'lé’ 40429.03 490(23- at‘l’gg ' 75W alz4'06)-AK : aw: :% 2 {1.8-0221 (/9 -—=r fifiiq-«lé’ /' w*©: wa:qxq3 w- - ‘1.~°~51‘*‘-'1‘N ~0.oor6:[o.(e‘7°§ A° VOW‘ “W’” 2.) (10 pts.) The edge :1: of an isosceles right triangle is measured with an absolute error of at most 2.5%. Use a differential to estimate the corresponding percentage error in computing the area of the triangle. \AAI M (dA(__(/¥-Ax( x.14xz A'A {ixa iléiil. . , V; X ga@52/-62 3.) (10 pts.) The length l of a rectangle is increasing at the rate of 2 in. /sec. and the width w is decreasing at the rate of 3 in. /sec. At what rate is the area of the rectangle changing when l = 7 inches and w = 4 inches ? A 4.) (10 pts.) Consider the function f = 122(10 —- 4) on the closed interval [—1,5]. Set up a sign chart for f’ to determine the absolute and relative maximum and minimum values of f. X X 0 Y :-—- .. :Ré/ Y 5 Y~O \(Zp—Ii—zsé \W W WV 17 M ...
View Full Document

Page1 / 3

quiz5 - Math 21A (2006 Summer Session I) Kouba Quiz 5 KEY...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online