The graph to the right approximates the discharge y(t) Q discharge of water (in cubic feet per second) 250 x , ,/ from a creek each day for one month of the 200 Q year. Sketch a graph of the rate of change in the discharge with respect to time. 150 El" 100 500 day 0 612182430 0 Determine how to graph the rate of change in the discharge with respect to time. The graph of the rate of change will be positive when the graph of the discharge is V] The graph of the rate of change will be negative when the graph of the discharge is 7 Choose the graph that best represents the rate of change of the discharge. OA. OB. 0c. 0 D. , ' ,, x 400 y ( ) '99 400 day Q ~400 * , " ~400