Please create a code on MATLAB:

Question $1($given code$)$:

f $=$ @$($y$)$ y$.*($y$+3)$;

phaseLine$($f$,-5,5)$;

Question $2($given code$)$:

figure$()$;

$\%$ Phase line for the first equation

figure$()$;

$\%$ Phase line for the second equation