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Find the domain and range of \(f(x)=|1-x|\) and \(f(t)=\sqrt{2-t}\)

 Feb 19, 2022
 #1
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Domain:  set of all values for the independent variable (x).

Range:  set of all values for the dependent variable (y).

 

f(x)  =  | 1 - x |     Domain = all real numbers

                           Range = all real number >= 0.

 

f(t)  =  sqrt( 2 - t )     Domain = all real numbers >= 2

                                Range = all real numbers >= 0

 Feb 20, 2022
 #2
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for the second question shouldn't it be <= 2?? 

 

after i typed it in wolfram alpha, it gave t<=2 for all real numbers 

Guest Feb 20, 2022

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