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Verified answer
Materi InequationUntuk semua nomor, karena x default brrti x bilangan real jd jangan ditabulasi.
No1. sudah benar
HP = {x | x < 0, x €R}
No2. -2x >= 6 => x =< -3
HP = {x| x=< -3, x €R} (berbalik tanda karena dibagi bil negatif)
No3. 2x-3 >= 36
2x >= 39
x >= 39/2
HP ={x|x>= 39/2, x €R}
No4. Kali 4 kedua ruas,
2x+8<x
x<-8
HP = {x| x < -8, x € R}