The hillsboro inlet lighthouse lights up how much more area than the jupiter inlet lighthouse? round your answer to the nearest tenth. the jupiter inlet lighthouse has an 18 mile radius, and the hillsboro inlet lighthouse has a 28 mile radius.

To find the difference in areas, you would find the area of the Jupiter Inlet lighthouse and subtract it from the area of the Hillsboro Inlet lighthouse.

Inlet: 3.14 x 18^2 = 1017.36 square miles
Jupiter: 3.14 x 28^2 = 2461.76 square miles

2461.76 - 1017.36 = 1444.4 square miles

The Hillsboro Inlet lighthouse lights up approximately 1444.4 more square miles.

The only mapping shown in the figure is not a function because the 3 is mapped to two different numbers, 1 and 2.

The mapping above has 3 ordered pairs: (3, 1), (3, 2), (7, 5)

Since the x-coordinate 3 is used twice, this relation is not a function.