Question

write a recursive formula for an and the nth term for the sequence 45,15,5

Answer 1

9514 1404 393

Answer:

  a(1) = 45; a(n) = a(n-1)/3

Step-by-step explanation:

The first term is 45. Each successive term is 1/3 of the one before. Expressed as a recursive formula, this is ...

• a(1) = 45
• a(n) = (1/3)×a(n-1)