The domain and the range of function f(x) are [tex](-\infty,\infty)[/tex] and [tex](-\infty,\infty)[/tex]
The function is given as;
[tex]f(x) = 3x + 5[/tex]
The above function is a linear function.
Unless it is specified, the range and the domain of a linear function are the set of all real numbers
Hence, the domain and the range of function f(x) are [tex](-\infty,\infty)[/tex] and [tex](-\infty,\infty)[/tex]
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