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cost function

  1. math_celebrity

    Aaron is staying at a hotel that charges $99.95 per night plus tax for a room. A tax of 8% is applie

    Aaron is staying at a hotel that charges $99.95 per night plus tax for a room. A tax of 8% is applied to the room rate, and an additional onetime untaxed fee of $5.00 is charged by the hotel. Which of the following represents Aaron’s total charge, in dollars, for staying x nights? The Room cost...
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    A gym charges a $30 sign-up fee plus $20 per month. You have a $130 gift card for the gym. When doe

    A gym charges a $30 sign-up fee plus $20 per month. You have a $130 gift card for the gym. When does the total spent on your gym membership exceed the amount of your gift card? Subtract the sign up fee of $30 from your gift card amount: $130 - $30 = $100 Since each month costs $20, we have...
  3. math_celebrity

    Sarah sells cookies. She has a base month salary of $500 and makes $50 for every cookie she sells. w

    Sarah sells cookies. She has a base month salary of $500 and makes $50 for every cookie she sells. whats is the equation. Let S(c) be the equation for the money Sarah makes selling (c) cookies. We have: S(c) = Cost per cookies * c cookies + Base Salary S(c) = 50c + 500
  4. math_celebrity

    A bakery has a fixed cost of $119.75 per a day plus $2.25 for each pastry. The bakery would like to

    A bakery has a fixed cost of $119.75 per a day plus $2.25 for each pastry. The bakery would like to keep its daily costs at or below $500 per day. Which inequality shows the maximum number of pastries, p, that can be baked each day. Set up the cost function C(p), where p is the number of...
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    A company that manufactures lamps has a fixed monthly cost of $1800. It costs $90 to produce each l

    A company that manufactures lamps has a fixed monthly cost of $1800. It costs $90 to produce each lamp, and the selling price is $150 per lamp. Set up the Cost Equation C(l) where l is the price of each lamp: C(l) = Variable Cost x l + Fixed Cost C(l) = 90l + 1800 Determine the revenue...
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    Sam purchased n notebooks. They were 4 dollars each. Write an equation to represent the total cost c

    Sam purchased n notebooks. They were 4 dollars each. Write an equation to represent the total cost c that Sam paid. Cost Function is: c = 4n Or, using n as a function variable, we write: c(n) = 4n
  7. math_celebrity

    a family went to a baseball game. the cost to park the car was $5 AND THE COST PER TICKET WAS $21. W

    a family went to a baseball game. the cost to park the car was $5 AND THE COST PER TICKET WAS $21. WRITE A LINEAR FUNCTION IN THE FORM Y=MX+B, FOR THE TOTAL COST OF GOING TO THE BASEBALL GAME,Y, AND THE TOTAL NUMBER PEOPLE IN THE FAMILY,X. We have: y = 21x + 5 Since the cost of each ticket is...
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    A cab charges $5 for the ride plus $1.25 per mile. How much will a 53 mile trip cost?

    A cab charges $5 for the ride plus $1.25 per mile. How much will a 53 mile trip cost? We set up our cost function C(m) where m is the number of miles: C(m) = 1.25m + 5 The problem asks for C(53): C(53) = 1.25(53) + 5 C(53) = 66.25 + 5 C(53) = $71.25
  9. math_celebrity

    A fair charges an admission fee of 4 dollars for each person. Let C be the cost of admission (in d

    A fair charges an admission fee of 4 dollars for each person. Let C be the cost of admission (in dollars) for P people. Write an equation relating C to P. C = 4P
  10. math_celebrity

    For her phone service, Maya pays a monthly fee of $27 , and she pays an additional $0.04 per minu

    For her phone service, Maya pays a monthly fee of $27 , and she pays an additional $0.04 per minute of use. The least she has been charged in a month is $86.04 . What are the possible numbers of minutes she has used her phone in a month? Use m for the number of minutes, and solve your...
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    it costs $75.00 for a service call from shearin heating and air conditioning company. the charge for

    it costs $75.00 for a service call from shearin heating and air conditioning company. the charge for labor is $60.00 . how many full hours can they work on my air conditioning unit and still stay within my budget of $300.00 for repairs and service? Our Cost Function is C(h), where h is the...
  12. math_celebrity

    Roberto owns a trucking company. He charges $50 hook up fee and $2 per mile. How much to tow your ca

    Roberto owns a trucking company. He charges $50 hook up fee and $2 per mile. How much to tow your car: 1mile , 2miles , 10miles ? The Cost Function C(m) where m is the number of miles is written as: C(m) = 2m + 50 The problem asks for C(1), C(2), and C(10) Calculate C(1) C(1) = 2(1) + 50 C(1)...
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    A daily pass costs $62. A season ski pass costs $450. The skier would have to rent skis with eithe

    A daily pass costs $62. A season ski pass costs $450. The skier would have to rent skis with either pass for $30 per day. How many days would the skier have to go skiing in order to make the season pass less expensive than the daily passes? Let d be the number of days the skier attends...
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    a package of soccer accessories costs $25 for cleats, $14 for shin guards , and $12 for a ball. Writ

    a package of soccer accessories costs $25 for cleats, $14 for shin guards , and $12 for a ball. Write two equivalent expressions for the total cost of 9 accessory package. Then find the cost. Let c be the number of cleats, s be the number of shin guards, and b be the number of balls. We have...
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    An auto repair bill is $126 for parts and $35 for each hour of labor. If h is the number of hours of

    An auto repair bill is $126 for parts and $35 for each hour of labor. If h is the number of hours of labor, express the amount of the repair bill in terms of number of hours of labor. Set up cost function, where h is the number of hours of labor: C(h) = 35h + 136
  16. math_celebrity

    The charge to rent a trailer is $30 for up to 2 hours plus $9 per additional hour or portion of an

    The charge to rent a trailer is $30 for up to 2 hours plus $9 per additional hour or portion of an hour. Find the cost to rent a trailer for 2.4 hours, 3 hours, and 8.5 hours. Set up the cost function C(h), where h is the number of hours to rent the trailer. We have, for any hours greater than...
  17. math_celebrity

    If labor (x) costs $249 per unit, materials (y) cost $162 per unit, and capital (z) costs $ 7

    If labor (x) costs $249 per unit, materials (y) cost $162 per unit, and capital (z) costs $ 77 per unit, write a function for total cost. Total Cost = Labor Total Cost + Materials Total Cost + Capital Total Cost Total Cost = 249x + 162y + 77z
  18. math_celebrity

    Fixed cost 500 marginal cost 8 item sells for 30

    fixed cost 500 marginal cost 8 item sells for 30. Set up Cost Function C(x) where x is the number of items sold: C(x) = Marginal Cost * x + Fixed Cost C(x) = 8x + 500 Set up Revenue Function R(x) where x is the number of items sold: R(x) = Revenue per item * items sold R(x) = 30x Set up break...
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    You and a friend want to start a business and design t-shirts. You decide to sell your shirts for $1

    You and a friend want to start a business and design t-shirts. You decide to sell your shirts for $15 each and you paid $6.50 a piece plus a $50 set-up fee and $25 for shipping. How many shirts do you have to sell to break even? Round to the nearest whole number. Step 1: Calculate Your Cost...
  20. math_celebrity

    Last week at the business where you work, you sold 120 items. The business paid $1 per item and sol

    Last week at the business where you work, you sold 120 items. The business paid $1 per item and sold them for $3 each. What profit did the business make from selling the 120 items? Let n be the number of items. We have the following equations: Cost Function C(n) = n For n = 120, we have...
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