# Is #f(x) =(x-2)^3/(x^2/3+1)# concave or convex at #x=6#?

##### 1 Answer

Nov 26, 2017

Concave.

#### Explanation:

To know if a function is concave or convex we use the second derivate, we substitute by one point and if the number we get it's negative the function is concave, if it's positive means that it's convex and if it's