Question 1047462
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What is the domain and range of x=7?
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The question is formulated unprofessionally.


The terms "the domain" and "the range" relate to functions.


These terms do not relate to equations.


What is written in the post is not a function.


It is an equality.  (It even is not an equation.)


The correct answer to this post is 


"It doesn't make sense."