$\blue f$ is a function defined on all real numbers. Its formula is given below.
$\pink g$ is a function defined on all real numbers. Its graph when $-10\leq x \leq 10$ is given below.
**Which of the features are shared by $\blue{f(x)}$ and $\pink{g(x)}$?**
[[☃ radio 1]]
$\large{\blue{f(x)} = x^2 - 4}$
