Answer :
we have the following:
the first thing to do is calculate the value of each f(x)
[tex]\begin{gathered} f(-2)=2\cdot-2=-4 \\ f(0)=2\cdot0=0 \\ f(2)=2\cdot2=4 \\ f(4)=2\cdot4=8 \end{gathered}[/tex]then having each point, we join them and in this way we obtain the graph
now,
