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Find the Domain Of $f ( x ) = \sqrt { x - 1 }$

Question 191

Multiple Choice

Find the domain of $f ( x ) = \sqrt { x - 1 }$ .

A) $[ 1 , \infty )$
B) $( - \infty , 1 ]$
C) $[ 0 , \infty )$
D) $( - \infty , \infty )$

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