Textbook ExpertVerified Tutor
9 Nov 2021
Given information
Note that the given expression is , and .
Step-by-step explanation
Step 1.
Take .
Know that is the point of inflection.
Substitute the values in the equation.
Therefore, the interval will be .
Hence,
Concave downward in the interval of .
Concave upward in the interval of .
These points are points of inflection
.