Tolong ya dikumpulin besok. Gak perlu digambat grafiknya, cari koordinat titik potong sumbu X (kerjain bagian b,c,d) !!!

|3 - 1/4 . x| = 1

3 - 1/4 . x = 1
-1/4 . x = 1 - 3
x = (-2) . (-4/1)
x = 8

3 - 1/4 . x = -1
-1/4 . x = -1 - 3
x = (-4) . (-4/1)
x = 16

HP = { 8, 16 }