Name: Instructor: Math 10560, Exam 1 - University of Notre Dame
Name:
Instructor: Math 10560, Exam 1
February 19, 2013
? The Honor Code is in effect for this examination. All work is to be your own. ? No calculators. ? The exam lasts for 1 hour and 15 min. ? Be sure that your name is on every page in case pages become detached. ? Be sure that you have all 10 pages of the test.
PLEASE MARK YOUR ANSWERS WITH AN X, not a circle!
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2. (a)
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9. (a)
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10. (a)
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Please do NOT write in this box. Multiple Choice
11. 12. 13.
Total
Name: Instructor:
Multiple Choice
1.(6 pts) The function
f (x) = e(x3) + 3x + 1
is a one-to-one function (there is no need to check this). What is (f -1) (2)?
1 (a)
e
(b) 3
1 (c)
3
(d) -1
(e) 1
2.(6 pts) Find the derivative of the function
(x2 + 1) sin2 x
f (x) =
.
x3 + 2
2x 2 cos x 3x2 (a) x2 + 1 + sin x - 2
(x2 + 1) sin2 x
3x2
(b)
2x + 2 sin x cos x -
x3 + 2
2 x3 + 2
3x2 (c) 2x + 2 sin x cos x -
2 x3 + 2
(x2 + 1) sin2 x 2x 2 cos x
3x2
(d)
x3 + 2
x2 + 1 + sin x - 2(x3 + 2)
(x2 + 1) sin2 x
1
2
1
(e)
+-
x3 + 2
x2 + 1 sin x 2(x3 + 2)
2
Name: Instructor:
3.(6 pts) Compute the integral
(a) ln 2 (c) 3(ln 9 - ln 2)
1 (e) ln 9
3
ln 2 e3x dx.
0 1 + e3x 1
(b) (ln 9 - ln 2) 3
(d) ln 9
4.(6 pts) Evaluate the derivative
d (sin x)(x2+1) dx
(a) (cos x)2x (x2 + 1) cos x
(b) 2x ln(sin x) + sin x
(c) (sin x)(x2+1) 2x ln(sin x) + (x2 + 1) cos x sin x
(d) (x2 + 1)(sin x)x2 cos x (e) (sin x)(x2+1) ln(sin x)
3
Name: Instructor:
5.(6 pts) The population of Derivitania was 5000 on Jan 01, 2000. On Jan. 01, 2005, the population had risen to 5500. Using the exponential growth model for this population, which of the following gives an estimate for the size of the population of Derivitania on Jan. 01, 2020?
(a) 5000e20 ln(1.1) = 5000(1.1)20 (c) 5000e20 ln(1.2) = 5000(1.2)20 (e) 5000e4 ln(1.1) = 5000(1.1)4
(b) 5000e20 (d) e4 ln(1.2) = (1.2)4
6.(6 pts) Evaluate the integral
e1/ 2
1
x
1 dx.
1 - (ln x)2
(a)
4 1 (d) 2
(b)
6
(e)
tan-1
1
2
(c) 0
4
7.(6 pts) Evaluate the limit
(a) 2
(b)
Name: Instructor:
(ln x)2
lim
.
x x
(c) -1
(d) -
(e) 0
8.(6 pts) Evaluate the integral
x sin(2x) cos(2x)
(a) -
+
+C
2
4
(c) -x cos(2x) + sin(2x) + C
x2 cos(2x) sin(2x)
(e) -
+
+C
4
4
x sin(2x) dx.
cos(2x) sin(2x)
(b) -
+
+C
2
2
x cos(2x) sin(2x)
(d) -
+
+C
2
4
5
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