askmath

Year:

Only show posts with narrations

why aren't these functions f(x) & g(x) considered the same? f(x) = (x^2 + 16)/(x-4) and g(x) = (x+4). why is it said that they have different domains?

34 upvotes

1 upvotes

Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
why aren't these functions f(x) & g(x) considered the same? f(x) = (x^2 + 16)/(x-4) and g(x) = (x+4). why is it said that they have different domains?	34
are these not the same functions?	1