When the price ofan essential commodityr rises rapidly. consumption drops slowiy at rst it the price continua to rise however. a \"tipping" point may he reached' atwhich consumption takes a sudden substanlial drop Suppose the accompanying graph shows the consumption ufgasoiine' (31:0 in millions of gallons, in a certain area Assume that the price is rising rapidly Here t is the time in months aer the price began rising [3) Sketch a graph ofthe rate of change in consumption as a function oftime [b] When does the \"tipping point" occur? What is the instantaneous rate of change in consumption of gas atthat point? [3) Choose the correct graph below. 0 A. O at O c O D. 6'") '3'\") 5'0) Q D 0'0) q .09 ,09 9,6 x