Current time:0:00Total duration:9:31

0 energy points

# Surjective (onto) and injective (one-to-one) functions

Introduction to surjective and injective functions. Created by Sal Khan.

If you're seeing this message, it means we're having trouble loading external resources for Khan Academy.

If you're behind a web filter, please make sure that the domains ***.kastatic.org** and ***.kasandbox.org** are unblocked.

Main content
# Surjective (onto) and injective (one-to-one) functions

Current time:0:00Total duration:9:31

0 energy points

Introduction to surjective and injective functions. Created by Sal Khan.