Question

The equation x2 + (y + 4)2 = 49 models the boundary on a local map for which Darren can hear his friend Tom on his two-way radio when Darren is at home. How far (in miles) can Tom walk from Darren’s home and still be heard?

14 miles

3.5 miles

4 miles

7 miles

Answer 1

The right answer for the question that is being asked and shown above is that: "14 miles." The equation x2 + (y + 4)2 = 49 models the boundary on a local map for which Darren can hear his friend Tom on his two-way radio when Darren is at home.