Domain of f are all real numbers.
What is domain?
The domain of a function is the set of all possible inputs for the function.
Given function
f(x) = 15x + 35
If we substitute any real value in the function, function f(x) never be equal to zero.
Therefore, domain of f are all real numbers.
Find out more information about domain of function here
https://brainly.com/question/17303728
#SPJ2
