Domain of Definition Course
Gain mastery in defining domains for functions confidently. This course hones skills in handling roots, logarithms, and rational expressions, clarifies discontinuities, and perfects interval notation—perfect for maths professionals seeking precise, error-free solutions in real-number contexts.

4 to 360 hours of flexible workload
certificate valid in your country
What Will I Learn?
This course equips you with practical tools to identify valid function inputs in real numbers. Explore domain notation for rational, root, and log expressions, master compositions with constraints, and apply error-spotting techniques for efficient, accurate problem-solving.
Elevify Advantages
Develop Skills
- Determine domains in set, interval, and inequality notations.
- Analyse rational domains by factoring and spotting discontinuities.
- Solve root and log constraints with radicand inequalities.
- Compute domains for compositions and nested functions.
- Avoid errors like zero denominators and inequality mistakes.
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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