Suatu fungsi : x → 3x² – 1, daerah asal f = (-1,0,1,2) range dari fungsi tersebut adalah……
F(x) = 3x² – 1
~ f(-1) = 3(-1)²- 1
= 3 -1
= 2
~ f(0) = 3(0) – 1
= 0 -1
= -1
~ f(1) = 3(1) -1
= 3 – 1
= 2
~ f(2) = 3(2) -1
= 6 -1
= 5
maaf kalo salah..