Q1. Kramer Smith owns a dry-cleaning service also is thinking about changing his advertising expenditures for the year. He hires you as a consultant to conclude the relationship between sales, consumer incomes also advertising by means of multiple regression analysis.
Q2. Cost of a commodity the price p, in dollars, of a certain commodity also the quantity x sold obey the demand equation p = -1/5x + 200 0 <= x < =1000. Suppose which the cost c, in dollars, of producing x units is c = the square root of x/10 + 400. Assuming which all items produced are sold, find the cost c as a function of the price p, in dollars, of a certain commodity also the quantity x sold obey the demand equation.