Calculus I Exam, MATH 161, Millersville University, November 10, 2006, Exams of Calculus

A past exam from millersville university's department of mathematics for calculus i (math 161). The exam covers various calculus concepts, including finding horizontal and vertical asymptotes, critical numbers, local extrema, points of inflection, sketching graphs, minimizing the total area of a rectangular printed region, finding limits, and evaluating indefinite integrals. The exam also includes problems on calculating camera angle rates and evaluating definite integrals.

Typology: Exams

Pre 2010

Uploaded on 08/18/2009

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Millersville University Name
Department of Mathematics
MATH 161, Calculus I , Test 3
November 10, 2006
Please answer the following questions. Your answers will be evaluated on their correctness,
completeness, and use of mathematical concepts we have covered. Please show all work and
write out your work neatly. Answers without supporting work will receive no credit. The
point values of the problems are listed in parentheses.
1. (4 points each) Consider the function
f(x) = x33
400x.
(a) Find the horizontal and vertical asymptotes of the function, if any.
(b) Find the critical numbers of the function (if any) and the intervals where the
function is increasing and decreasing.
pf3
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Millersville University Name Department of Mathematics MATH 161, Calculus I , Test 3 November 10, 2006

Please answer the following questions. Your answers will be evaluated on their correctness, completeness, and use of mathematical concepts we have covered. Please show all work and write out your work neatly. Answers without supporting work will receive no credit. The point values of the problems are listed in parentheses.

  1. (4 points each) Consider the function

f (x) = x^3 −

x.

(a) Find the horizontal and vertical asymptotes of the function, if any.

(b) Find the critical numbers of the function (if any) and the intervals where the function is increasing and decreasing.

(c) Find the local extrema of the function, if any. Classify each extremum as a local minimum or local maximum.

(d) Find the points of inflection of the function (if any) and the intervals where the graph of the function is concave up and concave down.

  1. (10 points) An advertisement consists of a rectangular printed region plus 1-inch mar- gins on the sides and 2-inch margins on the top and bottom. The area of the printed region is to be 92 inch^2. Find the dimensions of the printed region that minimize the total area of the advertisement.
  1. (8 points each) Find the exact values of the following limits, if they exist.

(a) lim x→ 1

ex−^1 − 1 x^2 − 1

(b) lim x→ 0 +

(cos x)^1 /x

  1. (10 points) Find the absolute extrema of the function f (x) = x^2 e−^2 x^ on the interval [0, 2]. Classify each extremum as an absolute maximum or absolute minimum.