Question

6. Identify whether each situation represents average rate of change or instantaneous rate of change. Explain your choice. a) When the radius of a circular ripple on the surface of a pond is 4 cm, the circumference of the ripple is increasing at 21.5 cm/s. b) Niko travels 550 km in 5 h. c) At 1 P.M., a train is travelling at 120 km/h. d) A stock price drop 20% in one week. e) The water level in a lake rises 1.5 m from the beginning of March to the end of May.

Answer 1

The the reaction rate over average a rate is period of instantaneous rate sês time. The the reaction rate at a specific time, all Instantaneous rate of change Because radius = 4 cm a u is specific cond". a all speed is b) Average rate of change Because 5 hore e period of time Instantaneous rate of change Because at contain time given. d Average rate of change Because One week period of time. Average rate of change also from march to may denotes period of time Average rate a es a es Because