Find the surface area pls 20 pts since theres two

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

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

Which table represents points on the graph of h(x) = 3√-x+2?