Question

In Exercises 9-12, match the polynomial function with its graph. Explain your choice. Do not use a graphing calculator [-5, 6] by [-200, 400] [-5, 6] by [-200, 400 (a) (b) [-5, 6] by [-200, 400] [-5, 6] by [-200, 400] (d) (c) 9. f(x) 91x+104 = 7x3 - 212 73 10. f(x) 11. f(x) -9x3 27x2+54x -8xt 9x 582-164x69 in the same series of view ntical and 12. f(x) -x +3x4 +16x3-22-95x-44 ieo

9,10,11,12

Answer 1

Answer (C) (92 = ( a) 10 11 12 Explanation: (9) pelynemial fune ton in standard fetm Jien by fir) fizs= 7x-21x291x +104 leading cofficient an s ft and ries n odd and the positive the graph falls to the ight to he Forom the alove ,conclusion is either (C) ofHon Orla) option but there is digret 3' it turnings only porié has two Therefere optHen e) is cersect gx3+27254 - 73 fr)= i odd that ts 3 (10) Jeading herre n' amd the igaHve f and falls (-9) Hherefere graph to thhe ight ceffeclent ri'ses to Hne with twe smosth tuinigs thees option (b) is carsect 11) fix)= x5- 82+9x3+5822-104x + 69 n is oddlamd leadig coffeievts peitve raph falls to the t amd rises to with at least (n-1) ie (4) mooth reight the tesnings Thurefere option (a) i cerrect 12) fx)-5+ 3x7+ 16x-2x2- s5-44 n is odd amd leadiny officents will rise to tul lott and fell t Hhe 9raph negatve wih at least tour smaoth tanigs ighat Therafore the enly Lift ofion is (d).