# Calculus

posted by
**Carly** on
.

A cost function is given by: A'(x)= 2x^2/x^2-211/x^2.

For what values is A(x) increasing and decreasing?

Any help would be appreciated

posted by
**Carly** on
.

A cost function is given by: A'(x)= 2x^2/x^2-211/x^2.

For what values is A(x) increasing and decreasing?

Any help would be appreciated