tentukanlah daerah asal dan daerah hasil fungsi berikut

f(x) = x^2 - 1

x puncak = -b/(2a) = -(0)/(2(1)) = 0
y puncak = f(0) = (0)^2 - 1 = -1

f(2) = (2)^2 - 1 = 4 - 1 = 3
f(6) = (6)^2 - 1 = 36 - 1 = 35

Daerah asal : 2 ≤ x ≤ 6
Daerah hasil : -1 ≤ f(x) ≤ 35