Question

Evaluate each function for the given value. f(g-1) if f(x) = x2 -2x +1

Answer 1

If that is
\[f(g-1)\]
then
\[f(g-1)=(g-1)^2-2(g-1)+1\]
which expands to
\[f(g-1)=g^2-2g+1-2g+2+1\]
then combine like terms
\[f(g-1)=g^2-4g+4\]