Is (-3,-2), (-1,0), (0,1), (1,2) a function?
2 Answers
Yes it is a function, i was wrong !
Explanation:
Jim says the correct explanation.
Two examples of functions using your points.
The particularity of your four points is their collinearity (=they are aligned).
Indeed, we can draw a straight line who is passing by all your points :
But this function is not unique, take a look of this :
Then {(-3,-2), (-1,0), (0,1), (1,2)} is a function, but you can't know more about other points. (Ex : x=2)
Yes, it is a function.
Explanation:
A function is a relation (a set of ordered pairs) with the additional property that: no two pairs have the same first element and different second elements.
The definition is often stated as: A relation in which every
So the Relation (the set)
More examples