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Domain and Range

Another way to identify the domain and range of functions is by using graphs. Because the domain refers to the set of possible input values, the domain of a graph consists of all the input values shown on the x x -axis. The range is the
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6 Ways to Find the Domain of a Function

Find the domain of the function \ (f (x)=x^2βˆ’1\). Solution The input value, shown by the variable x in the equation, is squared and then the result is lowered by one. Any real number may be squared and then be lowered by one
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