Which number set shows the natural numbers? a
( 1, 2, 3 , 4, 5, ...)
b
( 0, 1, 2, 3, 4, 5, ...)
c
(... -3, -2, -1, 0, 1, 2, 3, .

a function could be identified in 3 ways either on a chart,graph, or ordered pairs. first a function is that each point has its own. the rule is that there can be many x's to one y but there can not be 2 x's at different y's. so on a graph when you put a straight line through the y's there should be one dot only to be a function.

step-by-step explanation: