Question

Need help with number 31 plz.

Answer 1

`y=(1)/(3)x\\\\x=0\to(1)/(3)x=(1)/(3)(0)\to y=0\to(x,\ y)=(0,\ 0)\\\\x=1\to(1)/(3)x=(1)/(3)(1)\to y=(1)/(3)\to(x,\ y)=\left(1,\ (1)/(3)\right)\\\\x=2\to(1)/(3)x=(1)/(3)(2)\to y=(2)/(3)\to(x,\ y)=\left(2,\ (2)/(3)\right)`