Using it's concept, it is found that the inequality represents the domain of the exponential piece is:
d) [tex]x \leq -2[/tex].
The domain of a function is the set that contains all possible input values.
Researching this problem on the internet, we have that the function is divided as follows:
Hence, for the domain of the exponential piece, option d is correct.
More can be learned about the domain of a function at https://brainly.com/question/10891721
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