Domain of Definition Course
Build expertise in function domains for real numbers. Master rational, root, and log functions, handle discontinuities, and perfect interval notation. Perfect for math pros seeking accurate, error-free analysis in roots, logs, rationals, and compositions—boosting efficiency and precision.

4 to 360h flexible workload
certificate valid in your country
What will I learn?
This course equips you with essential tools to determine valid function inputs in real numbers. Explore domain notation, rational, radical, and logarithmic functions, plus compositions with layered constraints. Gain confidence through targeted exercises, error detection, and quick-reference guides for precise problem-solving.
Elevify advantages
Develop skills
- Identify domains using set, interval, and inequality notations.
- Evaluate rational domains by factoring, simplifying, and spotting discontinuities.
- Address root and log restrictions with quick inequality solutions.
- Calculate domains for compositions and multi-layered functions.
- Prevent errors like sign mistakes, zero denominators, and inequality pitfalls.
Suggested summary
Before starting, you can change the chapters and the workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
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