Question

Write a recursive formula for the sequence 15, 26, 48, 92, 180, …. Then find the next term.

Answer 1

Which series is it?

Answer 2

well, i thnk its gunna start with an=

Answer 3

\[a _{n+1} = 2a _{n} - 4, \forall n \ge1 \]

Answer 4

See the difference between every two numbers
you will get diff as 11,22,44 etc

Answer 5

A.

an = 2an – 1 – 4 where a1 = 15; 356

B.

an = 2an – 4 where a1 = 15; 356

C.

an = 4 + 11 • 2n – 1 where a1 = 15; 356

Answer 6

should be A