Domain of Definition Course
Build strong expertise in function domains confidently. Sharpen abilities with roots, logarithms, and rational functions, understand discontinuities clearly, and perfect interval notation—perfect for math experts seeking precise, mistake-free work in real-number analysis.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
This course equips you with essential tools to find valid inputs for functions using real numbers. Explore domain notation, handle rational, root, and log expressions, and manage compositions with various limits. Through targeted exercises, mistake avoidance tips, and quick reference guides, gain sure-footed skills for fast, correct solutions.
Elevify advantages
Develop skills
- Identify domains and write answers using sets, intervals, or inequalities.
- Examine rational domains by factoring, simplifying, and finding removable discontinuities.
- Address root and logarithm limits swiftly through radicand and argument rules.
- Merge multiple constraints to determine domains of combined and nested functions.
- Prevent common 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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