Melanie's family has quite a unique family history. Beginning many years ago,one of her ancestors had three children. Each of those children had three children. remarkably, that pattern has continued with each generation since. Melanie has many relatives!

a) Write an exponential function to represent this situation

b)Complete the table if x=0 represents the relative who had the first generation(x=1)of three children.

x= 0,1,2,3,4

y= y?

c)How many children are in the tenth generation?