If f (1) = 9 and f (n) = - 2 f (n-1) then find the value of f (6)

f (6) = 2304

Step-by-step explanation:

hello:

f (1) = 9 and f (n) = - 2 f (n-1) so f is the geometric seqeunce the common ratio is : r = - 2

the nth term is : f (n) = f (1) (-2) ^ (n-1)

when n=6 : f (6) = 9 (-2) ^8 = 2304