Question

A recursive function is shown below:

f(1) = 4 and f(n) = f(n - 1) - 8; n > 1

Which of the following lists the terms in the sequence defined by this recursive function?

Answer 1

4, -4, -12, -20, -28, ...

4, 4, 12, 20, 28, ...

4, 12, 20, 28, 36, ...

4, -12, -20, -28, -36, ...

Answer 2

@agent0smith

Answer 3

@Kainui

Answer 4

@dumbcow

Answer 5

@mathmale @undeadknight26

Answer 6

@Hero

Answer 7

I'm leaning toward A

Answer 8

steps
1. f(2) = f(2-1)-4 = f(1) - 4 = ?
2. So since you have f(1).
3. f(1) - 4
4. f(1) = 3.
5. f(1) - 4 = 3-4 = -1.

Answer 9

What do you think the answer is?

Answer 10

I agree with you on A

Answer 11

Okay, thanks!