Date: Nov 24, 2012 7:04 PM Author: nat91 Subject: curve sketching 1) In wich interalsis this function concave up and concae down ?

x^2e^(2x)

2)where isthis funtion is decrasin ,where it is concave up and concave down and which are its verical asymptotes ?

(2x)/(x^2-49)