 # Inverse Functions: Domain and Range

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Examples, solutions, videos, activities and worksheets that are suitable for A Level Maths to help students learn how to find the range of a function and how to find an inverse function and its domain.

Functions : Example 1
This is an example demonstrating how to find the range of a function and how to find an inverse function and its domain.
Example:
if f(x) = x2 - 1, x ∈ ℜ, x ≥ 0
i) find the range of f(x).
ii) find f-1,state the domain
Functions : Example 2 : ExamSolutions
This is an example demonstrating how to find the range of a function and how to find an inverse function and its domain.
Example:
if f(x) = (x + 1)2, x ∈ ℜ, x ≥ 0
i) find the range of f(x).
ii) find f-1,state the domain

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