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Find the Domain of the Function y=20−xy = \sqrt { 20 - x }

Question 261

Multiple Choice

Find the domain of the function.
- y=20−xy = \sqrt { 20 - x }


A) (−∞,∞) ( - \infty , \infty )
B) (20,∞) ( \sqrt { 20 } , \infty )
C) all real numbers except 20
D) [∞,20][ \infty , 20 ]

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