jawan no 1 dan 3 isi cara

2) √11x-6 <= 4
(√(11x-6))² <= (4)²
(11x-6) <= 16
11x-6-16<=0
11x-22<=0
11(x-2)<=0
*11<=0
0<=-11 (TM)
*x-2<=0
x<=2
hp{x<=2} / {...,0,1,2}