Question

A recursive function is shown below:

f(1) = 5 and f(n) = f(n - 1) - 6; n > 1

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

a)5,1,7,13,19
b)5,-1,-7,-13,-19
c)5,11,17,23,29
d)5,-11,-17,-23,-29

Answer 1

for n=2 you get f(2) = f(2-1) -6 = f(1) -6 = 5-6=-1

Answer 2

so you just keep plugging in numbers for n ?

Answer 3

Si

Answer 4

n=3
f(3) = f(3-1)-6 = f(2) -6 = -1-6=-7

Answer 5

kk thanks!