Considerando f(x + 1) = f(x) + 2, e sabendo que f(2) = 3, pode-se afirmar que f(5) vale:
A) 7
B) 8
C) 9
D) 10
E) 11
A) 7
B) 8
C) 9
D) 10
E) 11
More Questions From This User See All
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
Podemos considerar, inicialmente, o x igual a 2. Logo,
f ( 2 + 1 ) = f ( 2 ) + 2
f ( 3 ) = 3 + 2
f ( 3 ) = 5
Agora, o x igual a 3.
f ( 3 + 1 ) = f ( 3 ) + 2
f ( 4 ) = 5 + 2
f ( 4 ) = 7
E agora, o x igual a 4.
f ( 4 + 1 ) = f ( 4 ) + 2
f ( 5 ) = 7 + 2
f ( 5 ) = 9
Alternativa C )