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anonymous
 one year ago
Does the graph represent a function that has an inverse function?
anonymous
 one year ago
Does the graph represent a function that has an inverse function?

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1439844728190:dw

mathmate
 one year ago
Best ResponseYou've already chosen the best response.0dw:1439844926682:dw A function has an inverse if and only if it is strictly increasing or strictly decreasing. That means that the graph cannot have a horizontal stretch, nor goes up and down. mathematically, it can be written as f(x1)=f(x2) => x1=x2.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so mine is not a function

mathmate
 one year ago
Best ResponseYou've already chosen the best response.0I don't know, because there are too many imperfections in the graph to know if there is a horizontal stretch.

mathmate
 one year ago
Best ResponseYou've already chosen the best response.0dw:1439845685168:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1439845814209:dw

mathmate
 one year ago
Best ResponseYou've already chosen the best response.0I still cannot tell. Go with the definition that requires the graph to be strictly increasing or strictly decreasing. That means the graph cannot hold two identical values of y when for two distinct values of x.
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