Answer:
A function is a relation in which the members of the domain (x-values) DO NOT repeat. So, for every x-value there is only one y-value that corresponds to it.
Step-by-step explanation:
If domain does not repeat , then it is a function.
" Function is defined as when for each input (domain) there exist one and only one output(range)."
According to the question,
Suppose y = ax +b is a given function
x is independent variable
y is dependent variable
For each value of x there exist one and only one value of y , then it is considered as function.
All input values represents domain.
Hence, if domain does not repeat , then it is a function.
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