The domain <span> of a </span>function<span> is the set of "input" or argument values for which the </span>function is defined.<span>The domain is all the values that </span>x<span> is allowed to take on.
The domain of the function </span><span>f(x) = -6x + 3 are all real numbers.
The domain of a function g(x) = 5x + 4 are also all real number.</span>
