114-nenciu-07spex01

114-nenciu-07spex01 - MATH 114 Name: 02. 21. 2007 EXAM I...

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Unformatted text preview: MATH 114 Name: 02. 21. 2007 EXAM I Please circle the name of your TA: Nathan Panike Keya Zhu Show all your workin order to receive credit. A correct answer without any work will receive 0 credit. Partial credit will be given ONLY for results that are correct and relevant to the problem. Please write your answers neatly. Good luck! 1 P3 Multiple choice 1. (10 points) Let A(—1, 1) and B(7, 9) be points in the plane. Write the equation of the line that is perpendicular to the line AB and passes through the midpoint of the line segment AB. 2. (10 points) Find the equation of the quadratic functidn f (11:) that has a minimum equal to -18 at a: = ~l and passes through the point (1, —10). What are the x—intercept‘(s)? i) (8 points) Find the domain of . ii) (2 points) Determine the quadrant(s) in which the point (1:,y) must be located if my < O. ' 11> For each of the following questions circle only one answer. If you circle more than one answer you are not getting any credit, even if the right one was among your choices. Each problem is worth 5 points. 4. Simplify the expression 1 1 X X+1 1 X2+2X+1 X X+1 1 . 1 B. —-——— . —-——- D. ———————~———— . fth AX+ X+1 C X X(X+1)(X2+2X+1) E Home ese 5. Solve forX: |3X+10|=13 A. 1 B. 1, —1 C. 1, 3 D. 1, —23 E. none of these 6. Write in the form a + bi the following —4+z' A.—§+z’ B. —z' C. 2' D. 187—2' _ E. none ofthese 7. Given f(ac) :2 a: + 4 and g(m)v= 3x, find (f o g)(2). A. 10 B. 36 C. 32 D. 16 E. ’ none of these ...
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114-nenciu-07spex01 - MATH 114 Name: 02. 21. 2007 EXAM I...

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