Homework SourseFind intervals on which the function is increasing or decrea
Find: intervals on which the function is increasing or decreasing, open intervals on which the function is concave up or concave down, and all inflection points.
f(x)=x^4 * e^x , -infinity < x < infinity
f(x)=x^4 * e^x , -infinity < x < infinity
Solution
inflection points at -6,-2;
increasing for x=[0,);
concave up from [0,)
