Does "from z to z" mean "from the integers to the integers", or "\(\displaystyle \L f\, :\,\mathbb{Z} \rightarrow \mathbb{Z}\)"?tony123 said:f (x) function from z to z
x is integer
Does this mean that you are needing to find some integer function which takes on only integral values, and passes through the above points?tony123 said:f(3)=70, f(4)=180,f(5)=470, f(6)=1230 find f(x)