The domain of the function is the entire range of numerical values between -128 and 128. However, there is an interval where the function displays unexpected behavior. In the interval around x = 0, the function outputs a significantly different value compared to the rest of the inputs. At x = 0, the output of the function is approximately 1.1386, while for other inputs, the output varies from negative values to positive values, ranging from approximately -0.0823 to 0.1022. 

