domain of f (x) = x2 - 8x + 16 and g(x) = x - 4

Question

i to find the domain of the functions f (x) = x2 − 8x + 16 and g(x) = x − 4 in interval notation

Answer 1

Polynomial functions, like your f(x) and g(x) have "all real numbers" as their domains. In interval notation, that is

 

(-∞,∞)