0 votes 0 votes Which one of the following graphs describes the function $f(x)=e^{-x}(x^2+x+1)$? Calculus gate2015-ec-1 calculus functions + – Milicevic3306 asked Mar 27, 2018 recategorized Feb 27, 2021 by Lakshman Bhaiya Milicevic3306 16.0k points 97 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.