Domains and Ranges of Functions




The domain of a function is the complete set of possible values of the independent variable.
The range of a function is the complete set of all possible resulting values of the dependent variable, after we have substituted the domain.






Questions 1-2: Find the domain and range for f(x) = x2 - 6x + 9.

Domain:









Range:










Questions 3-4: Find the domain and range of the function:



Domain:











Range:











Question 5: Find the domain of the function:













Question 6: Find the domain of the function:













Question 7: Find the domain of the function:













Questions 8-9: Find the domain and range of the function:

f(x) = |x2 - 1|

Domain:










Range:












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