Order from least to greatest order 3/7,0.45,4/9

3/7, 4/9, then 0.45

3/7 = 0.42

4/9 = 0.44

0.45

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: