Question 149980
{{{f(x)=4-x}}} 
{{{g(x)=1+x^2}}}
Replace f(x) for x in g(x).
{{{g(f(x))=1+(4-x)^2}}}
Now replace x=-2 in the expression and solve.
{{{g(f(-2))=1+(4-(-2))^2}}}
{{{g(f(-2))=1+(6)^2}}}
{{{g(f(-2))=1+36}}}
{{{g(f(-2))=37}}}