Domain of Definition Course
Gain mastery in domains of definition. This course hones skills in roots, logs, rationals, clarifies discontinuities, and perfects interval notation—perfect for maths experts needing accurate analysis without errors. It equips you with strategies for real-number functions, compositions, and common pitfalls.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
This Domain of Definition Course provides practical tools to identify valid function inputs in real numbers. Learners review domain notation, handle rational, root, and log expressions, and manage compositions with various constraints. Through targeted practice, error detection, and quick reference rules, you gain confidence for precise problem-solving.
Elevify advantages
Develop skills
- Determine domains using set, interval, and inequality notations.
- Analyse rational domains by factoring, cancelling, and spotting discontinuities.
- Solve root and log constraints with quick inequality handling.
- Compute domains for compositions and complex nested functions.
- Avoid errors like sign mistakes, zero denominators, and inequality misuse.
Suggested summary
Before starting, you can change the chapters and workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workloadWhat our students say
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