Function f is defined below:
\[f(x) = \begin{cases} x + 3 &\quad \text{if } x < -4, \\ x^2-4 &\quad \text{if } x \ge -4. \end{cases} \]
How may values are there for f(f(x))=5???
Pls help its urgent!!!
The equation f(f(x)) = 5 has three solutions: -6, -1, and 1.
