27) Trend projection is an example of a) Delphi process. b) time series. c) causal methods. d) regression analysis. 28) Which of the following provide a solution for the following LP problem? MAX: 3X1 +4x2 Subject to: X1 0 a) X1 = 12, X2 = 3 b) X1= 18, X2=0 c) PROFIT = 54 d) PROFIT=56 29) In exponential smoothing, if you wish to give a significant weight to the most recent observations, then the smoothing constant should be a) close to 0. b) close to 1. c) close to 0.5. d) less than the error. 30) Which among the following is an example of quadratic function? a) 2 + (10 * X) b) (3+4)*(4*X) c) 24+ (56X) d) (5.3 x X2 + ( 21.6 xX) X 31) Which among the following is not true in learning curve? a) The learning curve in some cases illustrate how the cost per unit of output decreases over time as the result of accumulated workforce learning and experience b) The learning curve express the relationship between experience and efficiency. c) As individuals and/or organizations get more experienced at a task, they usually become more efficient at them. d) All of the above 32) Which among the following refers to chase method? a) Stable output rates and workforce b) Worker levels and production output are stable c) The cost of adjusting output rates and/or workforce levels d) Tends to be the preferred strategy of many organizations, including labor unions. 33) The firm should choose promotion and advertising in order to increase demand when: a) The capacity and the demand are nearly equal b) The capacity is greater than the demand c) The capacity is less than the demand d) None of the above