7. [10] A balloon rising from the ground at 140 ft/min is tracked by a rangefinder at point A, located 500 ft from the point of liftoff. Find the rate at which the distance between the range finder and the balloon is changing when the balloon is 600 ft above the ground. Balloon Rangefinder is at A A 500 ft

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Exponential Growth Model

The relation that represents an exponential function is: