he weekly cost C , in dollars , of producing x units in a manufacturing process is given by C ( x ) = 60 * + 750 and the number of units produced x , as a function of time in hours , is given by X ( D ) = 50 a . Find and interpret C ( X ( ) ) b . Determine the time that must elapse before the cost increases to $15 000 sest Suppose that a quantity is growing with a constant rate of change of 1 5 , starting at DID , Another quantity is growing with a growth factor of 1 .5 , starting at * = 2 Which quantity is growing more rapidly ? Fully explain your answer using graphs , symbols , and or tables as you think best