A company offers premium cable for $39.95 per month, plus a one-time step up fee. The total cost for setup fee and 6 months of service was $264.70. Write an equation in point slope form to represent the total cost(c) for a certain number of years of service(s)

Identify the parent function that can be used to graph the function f(x)= (1/4x)^3

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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