Injective functions and inverses
Injective, surjective and bijective; the inverse, its domain and the reflection in the line y = x
The Injective functions and inverses unit belongs to the Functions and polynomials section of Math Mental and has 11 lessons: injective, surjective and bijective; the inverse, its domain and the reflection in the line y = x.
Lessons in this unit
- Injective or surjective?
- Classifying with more elements
- Real functions
- Restricting to make it injective
- A point on the inverse's graph
- Domain of the inverse
- Practice: classify and invert
- Inverse of (ax + b)/(x + d)
- Inverse of half a parabola
- The image becomes the domain
- Unit test
This unit in numbers
9 lessons, 1 practice, and 1 test, with 96 questions in total.
It starts with “Injective or surjective?” and ends with “The image becomes the domain”.
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