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Functions : Domain - Range : tutorial 1

What is the domain and range of a function.

This tutorial introduces you to this concept by looking at linear and quadratic functions.

f(x) = 2x -1, -1 ≤ x ≤ 1

f(x) = 2x -1

g(x) = x

This tutorial looks at square root and reciprocal functions.

Worked solution to this question on range of a function.

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