In Figure E.10 is plotted a function gi(t) that is zero for all time outside the range plotted. Let some other functions be defined by \mathrm{g}_{2}(t)=3 \mathrm{~g}_{1}(2-t), \quad \mathrm{g}_{3}(t)=-2 \mathrm{~g}_{1}(t / 4), \quad \mathrm{g}_{4}(t)=\mathrm{g}_{1}\left(\frac{t-3}{2}\right)