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What is the definition of a composite function?

  1. A function that contains two or more independent variables

  2. A function created by combining two or more functions

  3. A function created by combining two or more equations

  4. A function that contains two or more dependent variables

The correct answer is: A function created by combining two or more functions

The definition of a composite function is a function created by combining two or more functions. Option A is incorrect because a function can have multiple independent variables without necessarily being a composite function. Option C is incorrect because a composite function is created by combining functions, not equations. Option D is incorrect because a function can have multiple dependent variables without being a composite function.