Domain of Definition Course
Gain mastery over function domains confidently. This course hones your expertise in roots, logarithms, and rational functions, demystifies discontinuities, and perfects interval notation—perfect for maths experts seeking spot-on, error-free evaluations in real-world applications.

from 4 to 360h flexible workload
certificate valid in your country
What will I learn?
This course equips you with essential tools to pinpoint valid inputs for functions using real numbers. You'll master domain notation, handle rational, root, and logarithmic functions, and navigate compositions with layered constraints. Through targeted exercises, mistake-avoidance tips, and handy reference guides, you'll gain the assurance needed for swift, precise solutions.
Elevify advantages
Develop skills
- Determine domains using set, interval, and inequality notations.
- Analyse rational domains by factoring, simplifying, and identifying removable discontinuities.
- Resolve root and logarithmic constraints through quick radicand and argument checks.
- Manage combined restrictions in compositions and intricate formulas.
- Prevent common pitfalls like sign errors, zero denominators, and inequality mistakes.
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 workload.What our students say
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