Find the Numbers at Which F Is Continuous $$f ( x ) = 4 \tan x$$

Multiple Choice

Find the numbers at which f is continuous. At which numbers is f discontinuous?
- $$f ( x ) = 4 \tan x$$

A) continuous for all real numbers except $x = 0$
B) continuous for all real numbers except $x = \frac { k \pi } { 2 }$ where $\mathrm { k }$ is an odd integer
C) continuous for all real numbers except $x = \frac { k \pi } { 4 }$ where $\mathrm { k }$ is an odd integer
D) continuous for all real numbers