Section 2.4 Functions

Before Starting this Section, Review

  1. 1 Graph of an equation (Section 2.2 , page 186)

  2. 2 Solving inequalities (Section 1.6 , page 146)


  1. 1 Use functional notation and find function values.

  2. 2 Find the domain and range of a function.

  3. 3 Identify the graph of a function.

  4. 4 Get information about a function from its graph.

  5. 5 Solve applied problems by using functions.

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