MPM2D Page 9 of 9 Principles of Mathematics b. Find an equation that describes the boundary of this area. /1 c. Are Arif and Diane both within range of the radio at the office? Explain and justify your answer algebraically. 13RT D: Communication 8 MAR Scott, Arif, and Diane run a small delivery company. For their business, they use licensed two-way radios with a 20-km range. Scott is at their office, which they have marked as the origin on their map of the town. Arif is dropping off a package at (-8, 16) while Diane is making a pickup at (4, 20) a. Draw a diagram to represent the reception range for the radio at the office. Also include the position of each person. 14 X