Given the function:
[tex]f(x)=\begin{cases}-2x,x<0 \\ 4x,x\ge0\end{cases}[/tex]
Let's find f(x) when x = -3
From the piecewise function, when x is -3(less than 0), f(x) is = -2x
Thus, to find f(x) when x = -3, we have:
f(x) = -2x
Substitute -3 for x:
f(-3) = -2(-3) = 6
f(-3) = 6
ANSWER:
f(x) = 6
