317 . 1) у = 0,5*x^3 = 0.5 * (- 2)^3 = 0.5 * - 8 = - 4 ; 0,5*(- 0.3)^3 = 0.5 * (-0.027) = - 0.0135 ; 0.5 * (0.3)^3 = 0.5 * 0.027 = 0.0135 : 0.5 * (2,1)^3 = 0.5 * 9.261 = 4.6305
2) y = - 2x^3 = : 2 * (-2)^3 = 2 * (-8) = - 16 ; соответственно далее :
- 0,054 ; 0,054 ; 18,522