Practice problem
If f(x)=x2+x+1f(x)=x^2+x+1f(x)=x2+x+1, what is f(x−2)f(x-2)f(x−2)?
x2−x−5x^2-x-5x2−x−5
x2+x−3x^2+x-3x2+x−3
x2+x−5x^2+x-5x2+x−5
x2−3x+3x^2-3x+3x2−3x+3
Type a concept, like “slope” or “photosynthesis”.