Question

Question #af14f

Answer 1

For any real `a`, `lim_(xrarra)(2sinx-1) = 2sina-1`

Explanation:

Additionally, that function has no limits at infinity.

`lim_(xrarr-oo)(2sinx-1)` does not exist

and

`lim_(xrarroo)(2sinx-1)` does not exist.