Suppose total cost in dollars from the production of x printers is given by c(x) = 0.0001x3 + 0.005x2 + 28x + 3000. (a) find the average rate of change of total cost when production changes from 200 to 300 printers. incorrect: your answer is incorrect. (b) find the average rate of change of total cost when production changes from 300 to 500 printers. incorrect: your answer is incorrect.

Areal estate agent is considering changing her cell phone plan. there are three plans to choose from, all of which involve a monthly service charge of $20. plan a has a cost of $.42 a minute for daytime calls and $.17 a minute for evening calls. plan b has a charge of $.52 a minute for daytime calls and $.15 a minute for evening calls. plan c has a flat rate of $80 with 275 minutes of calls allowed per month and a charge of $.38 per minute beyond that, day or evening.a. determine the total charge under each plan for this case: 150 minutes of day calls and 70 minutes of evening calls in a month. (do not round intermediate calculations. round your answer to 2 decimal places. omit the "$" sign in your response.)c. if the agent will use the service for daytime calls, over what range of call minutes will each plan be optimal? (round each answer to the nearest whole number.include the indifference point itself in each answer.)d. suppose that the agent expects both daytime and evening calls. at what point (i.e., percentage of total call minutes used for daytime calls) would she be indifferent between plans a and b?

Provide an example of open-ended credit account that caroline has. caroline blue's credit report worksheet.

Can you with personal finance homework1 abbreviation of annual percentage rate which the interest rate is applied annually to a loan or a credit card balance2 abbreviation of annual percentage yield the rate of return earn in the course of one whole year taking compounding into amount expressed as a percentage3 cash and other liquid assets such as demand deposits or treasury bills than individual possesses4 an expense that does not vary from one time period to the next5 to obtain a new loan for something on different terms often involving the pain off of an existing high-interest loan by means of a new lower interest one6 money set aside for future use7 to take money out of an account8 to plan the allocation expenditure or use of money9 the amount of money spent on food clothing and other basic necessities10 the amount of money that is anticipated to be received over a. of time either as payment for work goods or services or as profit on capital