Write an explicit formula for the sequence –3, 1, 5, 9,… (1 point)

Question

Responses
an = –3 + 4(n – 1)
an = –3 + 4n
an = –3 + (n – 1)
an = –3 + 4(n + 1)

Answer 1

an = -3 + 4(n - 1)