Question

The following function defines a recursive sequence.

f(0) = -4

f(1) = 12

f(n) = -3•f(n -1) - 2•f(n - 2); for n > 1

Which of the following sequences is defined by this recursive function?
-4, 12, -28, 60, …
-4, -12, -28, -60, …
-4, 12, -18, 54, …
-4, 12, -18, -54, …

Answer 1

@campbell_st

Answer 2

@superdavesuper

Answer 3

@sourwing

Answer 4

@SyedaLovesPie

Answer 5

@Rose6

Answer 6

@johnweldon1993

Answer 7

what are the first 2 terms? hint - the question already told u....

Answer 8

-4 and 12 but what is the third?

Answer 9

f(n) = -3•f(n -1) - 2•f(n - 2)

so f(3)=-3xf(2) - 2xf(1)

Answer 10

-8

Answer 11

nope f(2)=12 n f(1)=-4 plz try to calculate f(3) again plz

Answer 12

I got 30

Answer 13

f(3)=-3(12)-2(-4)

Answer 14

44

Answer 15

read my eqn n try again plz, michelle?

Answer 16

-28

Answer 17

hahahaa bingo :)

Answer 18

How do I find the next one?

Answer 19

do u need to find f(4)?

Answer 20

Yes

Answer 21

read the choices michelle

Answer 22

It's out of a or b

Answer 23

what is f(2)?