. A frequency of 60 kilohertz is 16.3 millimeters from the beginning scale of the dial. A frequency of 100 kilohertz is 112.0 millimeters from the beginning scale of the dial. A frequency of 140 kilohertz is 175 millimeters from the beginning scale of the dial. A frequency of 160 kilohertz is 200 millimeters from the beginning scale of the dial. Which function best represents the distance from the beginning scale of the dial on a radio as a function of the frequency?