Relation or Function?

Look at the following graphs and use vertical line test to check if they are functions
Graph of X^3
Is this a function
Modulus function
Is this a function?
Is this a function?
Domain and Range of a function
Move the slider and see how domain and range of the function
Fermer
– Zhang Qing, Tim Brzezinski, poorni, Mathguru, rbwalker15

Information: Relation or Function?