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-1
40
1
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Let

\[f(n) = \left\{
\begin{array}{cl}
n^2-2 & \text{ if }n<0, \\
2n-20 & \text{ if }n \geq 0.
\end{array}
\right.\]

What is the positive difference between the two values of $a$ that satisfy the equation $f(-2)+f(2)+f(a)=0$?

 Feb 20, 2021
 #1
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0

The positive diffference is 14.

 Feb 20, 2021

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