Find All Values That Make the Rational Expression Undefined $$\frac { 4 } { r - 4 }$$

question 57

Multiple Choice

Find all values that make the rational expression undefined. If the rational expression is defined for all real numbers, so
state.
- $$\frac { 4 } { r - 4 }$$

• A) \(\mathrm { r } = 4\)
• B) \(r = 0\)
• C) \(r = - 4\)
• D) Defined for all real numbers

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