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161E1-S2006

# 161E1-S2006 - MA 161 Exam 1 Spring 2006 Name 10—digit...

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Unformatted text preview: MA 161 Exam 1 Spring 2006 Name: 10—digit PUID: Lecturer: Recitation Instructor: Recitation Time: Instructions: 1. This package contains '14 problems worth 7 points each. 2. Please supply a_ll information requested above. On the scantron sheet print your name, your division—section number and 10—digit PUID and ﬁll in the corresponding circles. Use a pencil on the scantron sheet. You get 2 points for supplying all information correctly. 3. Work only in the space provided, or on the backside of the pages. Circle your choice for each problem in this booklet, and mark your answer on the scantron sheet. 4. No books, notes, calculator or any electronic devices may be used on this exam. NW! LA 2.4; 3c 4.8 57c 6.? 7.9 3'3 01C _ [0. H. B MA 161 I Exam 1 1. The solution of the inequality 3:2 — a: < 2 is Spring 2006 A. (—1,2) B. (—00, —1) U (2,00) C. (—oo,2) D. (—1,oo) E. (—oo,oo) 2. Line L1 contains (1, 4) and (2, —1); line L2 is perpendicular to L1 and passes through (—1, 3). An equation of L2 is A. x+y—2=U B. x+5y—14:U C. 2:1:—-y+5=0 D. 5w+y+2=0 E. w—5y+16=0 MA 161 Exam 1 Spring 2006 3. Find the center C and radius R of the circle 562 + y2 + 21} — 2y — 4 : 0. A. C'(1,1)7 R = 6 B. C(—1,l), R26 C. C(—1,1), R=\/6‘ D. C(1,—1), R:\/6 E. C(1,1), R=\/5 4. If c039 = 3/5 and 37r/2 g 9 g 27r, then tan9 : A. 4/5 B. —4/3 C. 4/3 D. —3/4 E. 3/4 MA 161 Exam 1 Spring 2006 5. The domain of the function f(a:) = «In: — 1| — 2 is 6. The graph of function g is given below. (9 o g)(—1) : A. _2 00 DZ E.3 MA 161 Exam 1 Spring 2006 7, The graph of g is obtained from the graph of f by ﬁrst compressing horizontally by a factor of 2, then reﬂecting about the y axis, and ﬁnally shifting to the left by 3 units In other words, g(:1:) = 8. Which two functions could be graphed below? EUQW? A. «ii—1)) B. f (—7“: + 3) C. —2f(a: + 3) D. f(—2:1: + 3) E- f (-201: + 3)) y:1/2\$, y=2m y = 1/3'”, y = 2“’ y=3\$, yzl/Z“; y:_3:1;’ y___2:1; y:3ac7 :_2—z MA 161 Exam 1 Spring 2006 9. Which of the functions f(:1;) 2 la; + 1|, g(:1;) = 2:5 + 1 is 0ne—t0~0ne? A. Both are B. Only f C. Only 9 D. Neither E. None of the above answers is correct. 10. 5 loglo 2 +10g8 1 —10g10 4 : A. 10g108 B. 10g106 C. 10g80 48 D. loggo 29 E. 10g18 29 MA 161 Exam 1 Spring 2006 11. Which is true: if a > 0 then I. abac : ab+c; II. ab + ac : abc A. Both are B. Only I C. Only II D. Neither E. None of the above answers is correct. 12. Solve the equation e3m—2 — 1 = 0. A, a: = 1n \/3 B. a: : 1+ln(3/2) C. a: = D. a: = 2/3 E. a: : 3/5 MA 161 Exam 1 Spring 2006 13. Given the graph of y = g(x), which is true? I. liam1 g(x) = 0 II. lim g(x) = 1 III. lim g(x) = 0 z—>1— z—>1+ A. Only I B. Only II C. Only I and III D. Only II and III E. All are true. 9 1 IE 1 A. —1/4 B. —1/2 c. 0 D. 1/2 E. 1 ...
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161E1-S2006 - MA 161 Exam 1 Spring 2006 Name 10—digit...

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