<prompt> Ifuatayo ni sehemu ya grafu ya chaguo za kukokotoa, ypx:asykuagiza grafu; ukubwa 6 cm; halisi lsf0.5; pen dpslinewidth0.7fontsize10; defaultpendps; kalamu dsnyeusi; xmin halisi-3.5,xmax3.5,ymin-4.25,ymax6.25;kalamu cqcqcqrgb0.75,0.75,0.75;gridi kalamu gslinewidth0.7cqcqcqlinetype2 2; gx1,gy1 halisi;kwaiceil halisixmingxgx;isakafuxmaxgxgx;igx chorai,ymin--i,ymax,gs; kwareal iceilymingygy;ifloorymaxgygy;igy drawxmin,i--xmax,i,gs;Laxis ya lebo; laxis.pfontsize10;xaxis,xmin,xmax,Tickslaxis,Hatua1.0,Ukubwa2,NoZero,Mishale6,juukweli; yaxis,ymin,ymax,Tickslaxis,Hatua1.0,Ukubwa2,NoZero,Mishale6,juukweli;f1 halisix halisireturn sgn2x-2abs2x-2132sgn2x-2abs2x-215 abs2x-217;choragrafuf1,xmin,xmax,upana wa mstari1;klipuxmin,ymin--xmin,ymax--xmax,ymax--xmax,ymin--mzunguko;leboypx,xmax0.25,f1xmax,E;asyThamani ya p1.5 ni nambari kamili. Ni nini?  <response>: Pointi 1.5,4 iko kwenye grafu. Hii ina maana kwamba p1.54. 