8.1 - 8.1 Graphing and Writing Linear Functions Identifying...

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Unformatted text preview: 8.1 Graphing and Writing Linear Functions Identifying Linear Functions 9 By the vertical line test, we know that all linear equations except those whose graphs are vertical lines are functions. 0 Thus, all linear equations except those of the form x = c (vertical lines) are linear functions. lj -: mx+l9 =9 SloPa— fn4buf>+ - Shoe a Wdflft‘m d- (:1 ~51; m[X——X I) Porn—l- gloFe . Ax H253 :c Sflwdwfi Jrrbrw . X:c_ VQY'HC—D’ Link— Graph the linearfunctionflx) : ix + 3. Slope :0 For lowismwrtal for E06): 4%;th ~—————— (MW [0 ) SlDPa: '5 3—8“ :m LX*‘XI) 6293 (j: 6x+b 92'5de ~3: 6m>+lo 1CCX)I6K’13 __ 3 : 20+b Id” .— ~—23: b (fix): 670-le 3:mx+J9 Hizb H:'—-LX+JQ iIB Example: 5 (— 1 —; —__L 4—1:; ‘9 gun l_: —s_+_19. (H: ‘%X+9; .— ...
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