Answer:
the domain is all real numbers
Step-by-step explanation:
f(x)= |7-x| is all real numbers
This function is represented as a whole number therefore, it is all real numbers for its domain
example
f(0)= |7-0|= |7|= 7
The range of the function is (a) (-∞, ∞)
<h3>How to determine the range?</h3>
The range of a function is the set of output values on the function.
From the given graph, we can see that the graph extends in the upper and lower directions without end
This means that the range is the set of all real values.
Hence, the range of the function is (a) (-∞, ∞)
Read more about range at:
brainly.com/question/10197594
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