Question

Considere a sequência definida por: an=3n+1 e calcular os 4 primeiros termos.

Answer 1

com 1 —
an = 3n + 1
an = 3 • 1 + 1
an = 3 + 1
an = 4

com 2 —
an = 3n + 1
an = 3 • 2 + 1
an = 6 + 1
an = 7

com 3 —
an = 3n + 1
an = 3 • 3 + 1
an = 9 + 1
an = 10

com 4 —
an = 3n + 1
an = 3 • 4 + 1
an = 12 + 1
an = 13