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OpenStudy (anonymous):
What is the range of f(x) = -x² + 4, if the domain is {2,0,1}? -show ur work
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OpenStudy (rajee_sam):
Domain is all possible x values. Now they have given you what x values they want you to consider. Range is the corresponding Y or f(x) values. So substitute the values for x given to one at a time and find the corresponding f(x) values. those will be your range.
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