Determine the Domain of the Function $f ( x ) = \frac { x ^ { 2 } - 25 } { x ^ { 2 } + x - 20 }$

question 418

Multiple Choice

Determine the domain of the function $f ( x ) = \frac { x ^ { 2 } - 25 } { x ^ { 2 } + x - 20 }$ .

• A)Domain: all real numbers except x = 5 and -4
• B)Domain: all real numbers except x = -5 and -4
• C)Domain: all real numbers except x = -5 and 4
• D)Domain: all real numbers except x = -4
• E)Domain: all real numbers

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