A Car Leaves an Intersection Traveling West

Multiple Choice

A car leaves an intersection traveling west.Its position 4 sec later is 26 ft from the intersection.At the same time, another car leaves the same intersection heading north so that its position 4 sec later is 20 ft from the intersection.If the speeds of the cars at that instant of time are 8 ft/sec and 12 ft/sec, respectively, find the rate at which the distance between the two cars is changing.Round to the nearest tenth if necessary.Select the correct Answer

A) 13.7 ft/sec
B) 2.7 ft/sec
C) 4.1 ft/sec
D) 32.8 ft/sec