Rafael is exploring the formula for the circumference of a circle. He computed the circumferences of several circles with different radii. He then plotted the results and connected them with a line, as shown below. The graph shows the circumference (in In} versus the radius (in In). Find the domain and the range of the function shown. Circumference (111} Radius (111} Write your answers as inequalities, using x or y as appropriate. Or, you may.r instead click on "Emptyr set\" or "All reals" as the answer. (a) domain: IV i f (b) range: L'_'__'.'.'""