Respuesta :

top boxes:   | X  |   1   |   2   |   3   |
bottom boxes:   |   Y=2X - 2   |   0   |   2   |   4   |
  
succi

U should use your domain that is 1 2 3 as x and calculate it in Ur eqn.. Hope it helps if am wrong plz correct it
Ver imagen succi