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General Concepts of Functions Course

General Concepts of Functions Course
from 4 to 360h flexible workload
valid certificate in your country

What will I learn?

This course delivers a practical toolkit for domains, codomains, images, preimages, restrictions, and interval preimages. You'll nail notation, composition, injectivity, surjectivity, and inverses using linear, quadratic, and reciprocal examples, plus sharpen your written explanations, error spotting, and report-ready solutions.

Elevify advantages

Develop skills

  • Master domains and ranges: compute, restrict, and justify for key function types.
  • Test injective, surjective, and invertible functions with clear algebraic proofs.
  • Compute and interpret function compositions, domains, and chained transformations.
  • Evaluate linear, quadratic, and reciprocal functions quickly with rigorous reasoning.
  • Write precise, readable function solutions using top-tier notation and explanations.

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.
Workload: between 4 and 360 hours

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