At What Points Is the Given Function Continuous?
- $$f ( x , y , z ) = y z \cos \left( \frac { 1 } { x } \right)$$

question 92

Multiple Choice

At what points is the given function continuous?
- $$f ( x , y , z ) = y z \cos \left( \frac { 1 } { x } \right)$$

• A) All \(( x , y , z )\) such that \(0 \leq \frac { 1 } { x } \leq 2 \pi\)
• B) All \(( x , y , z )\) such that \(x \neq 0\)
• C) All \(( x , y , z )\)
• D) All \(( x , y , z )\) such that \(x \neq \frac { 2 } { \pi }\)

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