The demand for cat food is given by

D(x)=60e0.04x\displaystyle {D}{\left({x}\right)}={60}{e}^{{-{0.04}{x}}}

  where x\displaystyle {x} is the number of units sold and D(x) is the price in dollars.

Find the revenue function.

R(x)=\displaystyle {R}{\left({x}\right)}=  


Find the number of units sold that will maximize the revenue.




Find the price that will yield the maximum revenue.





Julia Shepeleva, Wikimedia Commons