Question

Find f(5) for this sequence: (2 points)
f(1) = 2 and f(2) = 5, f(n) = f(1) + f(2) + f(n - 1), for n > 2.

f(5) = ______


please helpppp

Answer 1

find f(3) first ?

Answer 2

can you find it ? @mathing64

Answer 3

does f(3) = 12?

Answer 4

great !

Answer 5

and what about f(4) ?

Answer 6

@mathing64

Answer 7

does f(4) = 19??

Answer 8

@mayankdevnani

Answer 9

great !

Answer 10

now what about f(5) ? @mathing64

Answer 11

i know you can find out ?

Answer 12

37?

Answer 13

@mayankdevnani

Answer 14

nope !

Answer 15

what would it be then?

Answer 16

\[\large \bf f(5)=f(1)+f(2)+f(5-1)=f(1)+f(2)+f(4)\]
\[\large \bf f(5)=2+5+19=26\]

Answer 17

understood ?

Answer 18

ohhhh i see where i went wrong now thanks so much for all the help!

Answer 19

your welcome :)