Problem. (3) Consider the following function 7" 11:2 f($)_/O 1+t2dw Find the the interval in which the function f is concave down.

This is Math question for definite integration can somebody who can help me to solve this

Problem. (3) Consider the following function7” 1—1:2f($)_/O 1+t2dw Find the the interval in which the function f is concave down. (Remember that a functionis concave down if its double derivative is negative)