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Unformatted text preview: Math 21A (2006 Summer Session I)
Kouba
Quiz 6 KEV Please PRINT your name here : ___________________________________________________________
Your FourDigit 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.) Assume that the derivative off is f’(x) = w(x+1)2($—2)3(:v+4)4. Determine
any xvalues (no yvalues) corresponding to a relative maximum value or relative minimum
value. 2.) (10 pts. ) Consider function f (51:) = x+lnx on the closed interval [1, 6]. Determine if the
assumptions of the Mean Value Theorem (MVT) are satisﬁed. If so, ﬁnd all corresponding
values of c guaranteed by the conclusion of the MVT. 4&2: X4ﬂ’VL/X A W 0'77 [061] W/ ¥ICX2Zl4§6 M‘k’x’d
014%.0’71 (58.2]. yak—em 0 l
1 Madge) 3+ 61’0””? Q
JPQCL : : :—
2 er! Cm] 6—] l c—/ 3.) (10 pts.) A rectangular pen with a partition in the middle is to be made from 600 feet of fencing. What dimension (length and width) of the pen will result in the largest
possible area ? \{ 3x+ 5W: 6‘00 —» ow: goo 3x Y;360»%>§ j Wag/X6 K X X M ASKY: XC3OO’2K) Y
D
3 s—% (A: 300K? IKJ‘ —————» AL: 300 ”'EK "A 1:100 W 0 At
X:Ioo .
Ytlé’oﬂ.
M ,4: 135000 #1 a:
$2+3 4.) (10 pts.) Consider the function f (m) 2
sign chart for f". . Solve f”(:c) = 0 for z and set up a Q<°~+3j l CXA‘L‘VA
$ub<2~ Lxg+3zgéazx2v (3462. 2gx2+32CWU
__ mWE—éstp am: 1
:. 02x Exz 3— é+2x111ax 09328“) _ Q
Cxa+3j3 ow 3J3
—— O 4— 0 — O 4’ 4,” ...
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 Fall '07
 Osserman

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