Domain of Definition Course
Build unshakeable confidence in defining function domains. Sharpen expertise in roots, logarithms, and rational expressions decode discontinuities and perfect interval notation. Perfect for maths pros demanding spot-on, error-free evaluations in real-world applications.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
This course equips you with essential tools to pinpoint valid inputs for functions using real numbers. Explore domain notation, master rational, root, and logarithmic functions, and handle compositions with layered constraints. Through targeted exercises, mistake-avoidance techniques, and handy reference guides, gain swift proficiency in precise problem-solving.
Elevify advantages
Develop skills
- Identify domains using set, interval, and inequality notations.
- Break down rational domains by factoring, simplifying, and spotting removable discontinuities.
- Tackle root and logarithmic constraints with quick inequality solutions.
- Evaluate domains for composite functions and intricate expressions.
- Prevent common pitfalls like sign errors, zero denominators, and inequality blunders.
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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