Applied Algebra - C957 Exam Questions And Answers

A company's total monthly cost is given by the linear function C( x) = 11,000 + 550 x , where C is the total monthly cost and x is the number of units produced each month. The graph of the function is given below: What does the y-intercept represent in this situation? {Ans: If 0 items are produced, the monthly cost is $11,000.00.}The unemployment rate in Poland for the time period from 1990 to 2012 is shown in the graph below using the function U( t) (measured as a percentage), where t is the year. For example, U(1990) is the unemployment rate for the year 1990. What can be concluded based on this graph? {Ans: The largest two-year increase in unemployment was from 1990 to 1992.}A company pays its employees a base salary each month plus a commission, C, based on the number of sales, s, made by an employee during the month. An employee made 8 sales in the last month and received a commission of $1,600. How would this be represented in function notation? {Ans: C(8) = 1600}The pricing models of four contractors are given below, where t is the number of hours worked and