Question

2. Write a recursive formula for the sequence 15, 26, 48, 92, 180, ... Then find the next term. (1 point)
an= 2an – 1 – 4, where a1 = 15; 356
an= 2an – 4, where a1 = 15; 356
an= 4 + 11 · 2n–1, where a1 = 15; 356
an= 3an – 1 – 19, where a1 = 15; 356
3. Is the sequence arithmetic? If so, identify the common difference.

13, 20, 27, 34, ...
(1 point)
yes; 7
yes; –7
yes; 13
no
4. Find the 50th term of the sequence 5, –2, –9, –16, ...

(1 point)
–352
–343
–338
–331
5. Find the arithmetic mean an of an – 1 = 3.9 and an + 1 = 7.1. (1 point)
11
5.5
3.7
1.6

Answer 1

instead of trying to get the answer dont you think it would be alot easier to try then ask for help:)

Answer 2

I need help with these too