Which cranial nerve innervates the pupillary sphincter muscles?

The demand function for a product is given by 

Find the absolute extrema for the given function on the interval [2.1,4.2]. Write your answer in the form (x,f(x)). Round your answers to two decimal places. 

A particle is moving along a straight line such that the distance traveled (in feet) after t seconds is given by the function . At t = 7 seconds, what is the velocity of the particle?

The demand function for a particular product is given by the function 

Find the area of the region bounded by the graphs of the given equations. 

A gift shop sells 168 wind chimes per month at $60 each.  The owners estimate that for each  $6 increase in price, they will sell  $7 fewer wind chimes per month.  Find the price per wind chime that will maximize revenue.

The sales function for a product is given by 

The weekly revenue from the production and sale of  units of coal is given by 

After Mussolini became dictator, huge numbers of Italians joined the fascist party because they were true believers in fascism.