Respuesta :
					                   D. 
Explanation: a function can be described as something that has only one output for each input. So an X or input can only have ONE output.
Ex. (2,6) (2,8) would NOT be a function because there are two 2’s with two different outputs meaning it’s not a function.
					                
					             Explanation: a function can be described as something that has only one output for each input. So an X or input can only have ONE output.
Ex. (2,6) (2,8) would NOT be a function because there are two 2’s with two different outputs meaning it’s not a function.
