Chapter 4 Test Review

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What is a linear function?

Back

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What is a nonlinear function?

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A nonlinear function is a function that does not form a straight line when graphed. Examples include quadratic functions, exponential functions, and trigonometric functions.

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What is the general form of a quadratic function?

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Identify the domain of the relation: (-6, 14), (0, 32), (2, 38), (4, 44).

Back

The domain is the set of all first elements in the ordered pairs: {-6, 0, 2, 4}.

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What does the term 'domain' refer to in a function?

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The domain of a function is the set of all possible input values (x-values) for which the function is defined.

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What does the term 'range' refer to in a function?

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The range of a function is the set of all possible output values (y-values) that the function can produce.

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How can you determine if a function is linear or nonlinear from its equation?

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If the highest exponent of the variable is 1, the function is linear. If the highest exponent is greater than 1, it is nonlinear.

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