Question

The first term of a sequence is -12. The recursive formula for the sequence is an = an-1 + 9. What are the next 3 terms in the sequence?

A) -3,-15,-27
B) -3, 6, 15
C) -3, -6, -3
D) -3, -6, 3

Answer 1

B!!!!!

Explanation:

Answer 2

Recursive formula (given) ==>a(n) =a(n-1) + 9

a₁= -12 Given

a₂ = a₁ + 9 =- 3

a₃ = a₂ + 9 = 6

a₄ = a₃ + 9 = 15 (Answer B)