Respuesta :
A function will not have any repeating x values...it can have repeating y values, just not the x ones. SO look at all the x values in ur answer choices...which answer choice has all x values different ?
ur answer would be D....because ur x values (8,-4,3,0,-1) are all different
ur answer would be D....because ur x values (8,-4,3,0,-1) are all different