Domain and Range

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What is the definition of 'Domain' in mathematics?

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The domain of a function is the complete set of possible values of the independent variable (usually x) for which the function is defined.

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What is the definition of 'Range' in mathematics?

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The range of a function is the complete set of possible values of the dependent variable (usually y) that result from using the function.

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How do you determine the domain of a function?

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To determine the domain, identify all the values of x that can be input into the function without causing any mathematical errors (like division by zero or taking the square root of a negative number).

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How do you determine the range of a function?

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To determine the range, evaluate the function for all possible values of x in the domain and identify the resulting values of y.

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