B. format because changing the brightness of the photo is changing its default format
Answer:
Consider the language defined by the following regular expression. (x*y | zy*)* 1. Does zyyxz belong to the language?
O. No, because zyy does not belong to x*y nor zy*
2. Does zyyzy belong to the language?
Yes, because both zy and zyy belong to zy*.
Explanation: