1) подставляем:y(-2)=(-2+5)/(-2-1)=3×(-3)=-9y(0)=(0+5)/(0-1)=5×(-1)=-5y(1/2)=(1/2+5)/(1/2-1)=(11/2)/(-1/2)=5,5/4-0,5)=-2,75y(3)=(3+5)/(3-1)=8×2=162) у=-3 при ×+5/×-1=-3-3x+3=x+54x=-2X=-2/4=-1/2=-0,5y=-2 при x+5/x-1=-2-2x+2=x+53x=-3メニ-1y=13 при ×+5/×-1=1313x-13=×+512x=18X=18/12=3/2=1,5y=19 при x+5/х-1=1919x-19=×+518x=24x=24/18=4/3=1 1/3