The box plots below show the prices of used cars sold in one month at two competing car dealerships. What is the difference of the medians as a multiple of the interquartile range?

Find the absolute maximum and absolute minimum values of the function f(x)= x^3+12x^2−27x+12 over each of the indicated intervals. (a) interval = [−10,0] absolute max and min (b) interval = [−7,2] absolute max and min (c) interval = [−10,2] absolute max and min