For what values of x is # f(x) = e^(4x)-4e^(2x)+e^x # concave or convex?
1 Answer
Nov 20, 2017
Concave:
Convex:
Explanation:
First we need to calculate the second derivate of the function,
then we equal it to
and we solve for
and we substitute the second derivate by a number between these intervals: