Find the Numbers at Which F Is Continuous $$f ( x ) = - 3 \cos x$$

question 42

Multiple Choice

Find the numbers at which f is continuous. At which numbers is f discontinuous?
- $$f ( x ) = - 3 \cos x$$

• A) continuous for all real numbers except \(x = - 3\)
• B) continuous for all real numbers except \(x = 0\)
• C) continuous for all real numbers
• D) continuous for all real numbers except \(x = 1\)