Question

Find the numbers at which f is continuous.At which numbers is f discontinuous?

Answer 1

Step 1:

The function is .

The domain of a function is all values of , those makes the function mathematically correct.

The denominator of the function should not be zero.

.

The domain of the function is all values of , except and .

The function is continuous for all real numbers, except and .

Solution:

The function is discontinuous at and .