montenegro_210
New member
from the function f(x)=x/x^2+9
1) How can I show that x=-3 is a critical point
2) Use 2nd Derivative Test to show if -3 is a rel min or rel max
1) How can I show that x=-3 is a critical point
2) Use 2nd Derivative Test to show if -3 is a rel min or rel max