Will give brainliest, Please help!! A man walking his dog went around the neighborhood (1 mile) in 20 minutes. What was his speed?

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:

no this is a nonlinear negative