How do you use the first and second derivatives to sketch #y=x^4-2x#?
1 Answer
Mar 30, 2017
minimum
inflection
convex
Explanation:
The first derivative is:
Let's study the solution of the inequality
that's
It means that
if
if
then if x=if
The second derivative is:
Let's study the solution of the inequality
that's
It tells the function is convex and if
graph{y=x^4-2x [-2, 3, -2, 5]}