y=2*x^3*(x-4) . . . . yu need sientifik kalkulater tu do powers . . . wen x get > 4, that power make it gro very steep . . . x=0, y=0 . . . x=1, x^-9=1, so y=2 . . . x=2, 2^-6=0.015625, multipli bi 2 giv 0.03125 . . . x=3, 3^ -3=0.037037, 2 times...0.074074074... . . x=4, 4^0=1, 2 times...2 , , , x=5, x^3= 4^3=64, 2 times=128 . . . x=6, 6^6=46,656, 2 times=93,312 . . .