ENEM
ITA
IME
FUVEST
UNICAMP
UNESP
UNIFESP
UFPR
UFRGS
UNB
(Mackenzie 1996) Se f: → A e g: → B são funções re
(Mackenzie 1996) Se f:
→ A e g:
→ B são funções reais e sobrejetoras tais que |1 - f(x)| - 3 ≤ 0 e g(x) = 3 + [f(x)/2], então A ⋂ B é o: A
![\left [ -2,\, 0 \right ]](https://kuadro-static.storage.googleapis.com/0c6335e25e33451287a9a03b9fb92c7c)
.
B
![\left [ 0,\, 2 \right ]](https://kuadro-static.storage.googleapis.com/32fa227fd3e34677afcd763b64369796)
.
C
![\left [ 2,\, 4 \right ]](https://kuadro-static.storage.googleapis.com/0f374e8949a24506bb95cda7e01373fb)
.
D
![\left [ 1,\, 3 \right ]](https://kuadro-static.storage.googleapis.com/f0e05ca5ab3742d88bf718230c176da3)
.
E
![\left [ 3,\, 5 \right ]](https://kuadro-static.storage.googleapis.com/83b86293440b4d949c5950d6183b7922)
.