Question 305452
For every occurence of x in the function, replace it with 0 and simplify. 
{{{f(x) = 3x^2 - 11x}}}
{{{f(0)=3(0)^2-11(0)}}}
{{{f(0)=0-0}}}
{{{f(0)=0}}}
.
.
.
{{{f(x)=83}}}
{{{f(0)=83}}}