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x1xofxaxkndx
 2 years ago
Best ResponseYou've already chosen the best response.0dw:1357704487717:dw

mathstudent55
 2 years ago
Best ResponseYou've already chosen the best response.0For a relation to be a function, each x value can be mapped to only a single y value. In a vertical line, the xcoordinate of every point is the same, so a single xvalue is mapped to every real number. That is more than a single yvalue, so it is not a function.

x1xofxaxkndx
 2 years ago
Best ResponseYou've already chosen the best response.0then it would be nobecause its only going down the x

mathstudent55
 2 years ago
Best ResponseYou've already chosen the best response.0An easy way to tell if a relation is a function from a graph is the vertical line test. Think of a vertical line moving from left to right on the graph. If in any position, the vertical line intersects more than one point of the relation, then the relation is not a function.

mathstudent55
 2 years ago
Best ResponseYou've already chosen the best response.0It is not a function.

mathstudent55
 2 years ago
Best ResponseYou've already chosen the best response.0All lines are functions except vertical lines.

x1xofxaxkndx
 2 years ago
Best ResponseYou've already chosen the best response.0thank you i got it now lol
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