# How do you find the domain of f(x)=x^2-4?

May 29, 2017

$\text{domain is } x \in \mathbb{R}$

#### Explanation:

$\text{this function is defined for all real values of x}$

$\Rightarrow \text{domain is } x \in \mathbb{R}$

$\text{or in interval notation }$

$\left(- \infty , + \infty\right)$
graph{x^2-4 [-10, 10, -5, 5]}