Question

Which of the following functions is continuous at x = 3?

Answer 1

Which have x = 3 in the DOMAIN?
Which have approach 3 from BOTH right and left?

Answer 2

the second one?

Answer 3

Forget the second requirement. It doesn't have to be y = 3.

Demonstrate each. Factor numerators and prove it. Make sure it doesn't jump around at x = 3.

Answer 4

ohh ok it's the first one