No.9 cara nya gmn ya?

f(2) = -1 ---> lihat x ≥ 2

(fof)(2)
= f(f(2))
= f(-1)
= 1 ---> lihat x ≤ 0

(fofof)(2)
= f((fof)(2))
= f(1)
= 1² + 1 - 5 ---> lihat 0 < x < 2
= -3