The percentage of employees who cease their employment during a year is referred to as employee turnover, and it is a serious issue for businesses. The following table shows the cost, in millions of dollars, to a certain company for a given employee turnover percentage in a year. employee turnover 10 20 30 40 C = cost 200 320 440 560 (a) Show that the data can be modeled by a linear function. For each increase in employee turnover by ten percent the cost increases by (b) Find the slope of the linear function. million dollars per percentage point (c) Find a linear model for the data. C(E)= million dollars. (d) Use the result from part (c) to find the cost to the company if employee turnover is 26% in a year. million dollars

The below data represent the advertising expenditure and sales of Liu Liu Ltd from year 2010 to 2019. Table: Advertising Expenditure vs. Sales from 2010 to 2019   Year Advert. Expenditure   Sales Growth rate of Ad. Expenditure Growth rate of Sales   (x, £000) (y, £000)     2010 19 84     2011 22 108 18% 29% 2012 32 82 46% -24% 2013 42 86 32% 6% 2014 47 84 11% -3% 2015 46 94 -2% 11% 2016 58 103 27% 10% 2017 63 115 8% 12% 2018 70 106 11% -8% 2019 80 142 15% 34% Total 479 1004       a. What is the statistical relationship shown in the table and list out 3 characteristics of this relationship?

As Sales Manager for ISeeYou Productions, you are planning to review the prices you charge clients for television advertisement development. You currently charge each client a development fee of $9,000. With this pricing structure, ISeeYou is able to sign 24 contracts per month. This is down from 56 contracts, which was the figure last year when your company charged each client only $5,000. (a) Construct a linear function that yields the development fee p that ISeeYou should charge in order to sign g contracts per month. p(q) = (b) Find the total revenue R ISeeYou obtains by signing q contracts. R(g) = (c) The costs to ISeeYou Productions are estimated as follows: Fixed costs: $80,000 per month 1,000g dollars (when g contracts are signed) Variable costs: Express ISeeYou Productions' monthly cost as a function the number q of contracts. C(a) = (d) Express ISeeYou Productions' monthly profit as a function of the number q of contracts. P(g) = (e) How many contracts could ISeeYou sign to…