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If

\(f(x) = \begin{cases} -x^2-4 &\quad \text{if } x \ge -4, \\ 3x + 3 &\quad \text{otherwise}, \end{cases}\)

Then for how many values of x is f(f(x)) = 5?

 Feb 19, 2021
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Uhhhh.....    None?  ?   cheeky

 Feb 19, 2021

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