A car rental company charges an initial fee plus a constant fee per kilometer driven. The table compares the total distance driven on the trip (in kilometers) and the price of the rental (in dollars),
Distance (kilometers)
105
Price (dollars)
183
140
204
175
225
What is the company's initial fee?

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters