120_11.1_notes

120_11.1_notes - \ HI ll: Mat120 Chapter 11 — Section 1...

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Unformatted text preview: \ HI ll: Mat120 Chapter 11 — Section 1 Page 1 Rational Expressions and Functions: Multiplying and Dividing A Rational Expression is W 0* ‘F‘Vuzd'éld‘n For example: -w 4 .. 2+1 ---t 2 --- t . and 2x . x +2xw3 4 " x - 2‘ x2 -« 1 The Domain of a Rational Expression:—---- / 5500‘— fiflg magi-a/ 71430 Find the domain of the following: a. Domain: 1;, l b. Domain: ( E‘ ‘fi?’ 0. Domain: ‘3 fr; 2 / x 2 4 x+1 x2 ---1 113+»; -3 xw2' Walla-F0 W790 W¢d Xaav‘w xi, *0 firva ¢a X351. (Kdflxfl) $0 (X+3)(’)(—-I) $5 0 X=H 29*”! X+‘3 X’f/ Exercises 1—6: use the given rational function to find the indicated function values. If a function value does not exist, so state. '3... .1 “(mi—3%}: trams). a. f(-1) " L b. 1(3) =' 52‘5“) "Ll 41H): (“Lava—L1 3 ,3, 3-0-1) :: w 0 :z I —+ 3 “‘1’ _. ‘ 4 z 0 :3 .Q '3: M ' 4f 2 :1 0 Mat120 Chapter 11 — Section 1 Page 2 Exercises 27-50 simplif each rational expressions. If the rational expression cannot be simplified, SO state. I z z I g g ' Mat120 Chapter 11 - Section 1 Page 3 Rational Expressions and Functions: Multiplying and Dividing Exercises 51-72, Multiply as indicated. x2-122—-5:+E 6y+2 I»? s———-—-— .2 a 2 ~ 1 -1 33’ +3: 55. 3—4 942:.— 3 . (ac—UW/l‘ (Q.- §(K..3)\ w) .- 93/11 (<4 +I ) it‘— ,.,L \ ><+9~ W) Exercises 73—92, divide as indicated (and simplify) é— :Il’n UM *- m Mr 2‘ ,2, m,__y2':’+____2351 stié+4waID§rz+l4y+48 - 4— -i- WT“— ?! 3' _3"‘6 }*z+3y-28 y3+439~32' My!) ‘ Haggis.) I ' (yaw) (ea-UM) WQfl ...
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120_11.1_notes - \ HI ll: Mat120 Chapter 11 — Section 1...

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