Adiscount pass for a toll bridge costs $20 per month. the toll for the bridge is normally $2.50, but it is reduced to $1 for people who have purchased the discount pass.
a. express the total monthly cost to use the bridge without a discount pass, f, as a function of the number of times in a month the bridge is crossed, x.
b. express the total monthly cost to use the bridge with a discount pass, g, as a function of the number of times in a month the bridge is crossed, x.
c. determine the number of times in a month the bridge must be crossed so that the total monthly cost without the discount pass is the same as the total monthly cost with the discount pass. what will be that monthly cost?

Sales at a fast-food restaurant average $6,000 per day. the restaurant decided to introduce an advertising campaign to increase daily sales. to determine the effectiveness of the advertising campaign, a sample of 49 days of sales were taken. they found that the average daily sales were $6,300 per day. from past history, the restaurant knew that its population standard deviation is about $1,000. if the level of significance is 0.01, have sales increased as a result of the advertising campaign? multiple choicea)fail to reject the null hypothesis.b)reject the null hypothesis and conclude the mean is higher than $6,000 per day.c)reject the null hypothesis and conclude the mean is lower than $6,000 per day.d)reject the null hypothesis and conclude that the mean is equal to $6,000 per day.expert answer

If springfield is operating at full employment who is working a. everyone b. about 96% of the workforce c. the entire work force d. the robots

The purpose of the transportation approach for location analysis is to minimize which of the following? a. total costsb. total fixed costsc. the number of shipmentsd. total shipping costse. total variable costs