Question 975279
{{{f(-2)=(-2)^2+4(-2)}}}
{{{f(-3/2)=(-3/2)^2+4(-3/2)}}}
{{{f(-1)=(-1)^2+4(-1)}}}
{{{f(0)=0}}}
{{{f(40)=-1}}} 
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*[illustration ZZ3.JPG].