OpenStudy (anonymous):

If P(x) is the total value of the production when there are x workers in a plant, then the average productivity of the work-force of the plant is. A(x)=p(x)/x

5 years ago
OpenStudy (anonymous):

Show that A'(x) > 0 if p'(x) is greater than the average productivity

5 years ago
OpenStudy (anonymous):

I know that A'(x) is $x*p'(x) - p(x) \over x ^{2}$ And now after this I'm clueless

5 years ago