Question

Find a function such that the domain is the set of natural numbers and the output produces the terms of the sequence 8, 12, 16, 20, ... .

Answer 1

y=4(x+1)
Check for given values of x:
4(1+1) = 8
4(2+1) = 12
4(3+1) = 16
4(3+1) = 20

Answer 2

thanks