The manager of a retail store has figured that her monthly profit P (in thousands of dollars) is determined by her monthly advertising expense x (in tens of thousands of dollars) according to the formula P=x3-22x²+134x for 0≤x≤7. For what value of x does she get $231,000 in profit? The manager gets $231,000 in profit for x= (Round to two decimal places as needed. Use a comma to separate answers as needed.) √i Si (0,0) + More Next