What is the domain of $f(x)=x^2-4x+7$ ?

Question

1494 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2018-04-18T21:46:09

$x in RR$

$f(x)$ is a polynomial, which means its domain is defined for all real numbers. We can input any value for $x$ and get an $f(x)$ value. Thus,

$x in RR$

meaning $x$ is defined for all real numbers, or $x$ is a member of the reals.

Hope this helps!

What is the domain of f(x)=x^2-4x+7 f(x)=x^2-4x+7 ?