SISTEM PERTIDAKSAMAAN - PERTEMUAN 4
NAMA : TUBAGUS ARDIAN MAULANA KELAS : 01TPLP015 NIM : 201011400661 JAWABAN LATIHAN/TUGAS 1. 2x -4 > 0 2x > 0 + 4 2x > 4 x > 4/2 x > 2 Hp ( x > 2 ) 3. 2x + 6 ≤ x + 1 2x + x ≤ 1 – 6 x ≤ -5 Hp ( x ≤ -5 ) 5. x 2 - 7x + 12 ≤ 0 (x – 3) (x - 4) ≤ 0 x = 3 x = 4 Hp ( 3 ≤ x ≤ 4 ) 7. x 3 – 2x ² -x + 1 ≤ - 1 ( x - 1) ( x + 1 ) ( x - 2 ) ≤ 0 x = -1 ...