• Question 7 To join a video rental club, a member pays an initial fee plus an additional monthly cost. The equation below describes the relationship between x, the number of months a member rents videas, and y, the total cost in dollars. y = 15 + 20z What is the meaning of the rate of change for the equation? It means the initial fee is $20 It means the cost per month is $15. C It means the initial fee is $15. D It means the cost per month is $20

Q: Ryan is cooling a chemical compound in the laboratory at a rate of 5 Fahrenheit per hour. right now…

A: Rate of Cooling of chemical compound is 5 Fahrenheit per hour. Also the temperature at present is 33…

Q: Price-Demand Equation At YasterMart, people are willing to buy x pounds of chocolate candy per day…

A: The price-demand equation is given by  x=a+bp  Where a = 12 and b = 220,  ⇒x=12+220p…

Q: The operating cost to an airline for having a flight between its west-coast and east-coast hubs…

A:

Q: car rental company charges $50 a day and 20 cents per mile for renting a car. Let y be the total…

A:

Q: Biologist have found the number of chirps some crickets make per minute is related to femperature.…

A: Let x be the temperature y be the number of chirps

Q: The population of a suburb of Sacramento has shown a linear growth in the years 1992-2007. The…

A:

Q: a) A bottle of I-131 is delivered to a hospital on September 5. It states on the label that the…

A:

Q: The distance a ball rolls down an inclined plane is directly proportional to the square of the time…

A: Since you have posted multiple questions, as per our policy we will answer first question. Please…

Q: The supply equation for a certain commodity is 1000/3p² + 20p , where x units are supplied per month…

A: Given: x=10003p2+20p  where x=supplied per month…

Q: 14. A reporter collected data on y, the current market value, in dollars, of a certain car for…

A: y = 16,500-1500x  Frolm the graph of slope of graph is undefined

Q: Demand for a certain kind of SUV obeys the following equation, D(x, y) = 21,000 Vx - 13(0.9y –…

A: The problem is based on the application of calculus and we find the rate of change of the Demand…

Q: Apply Direct or Indirect variation in the given real-life situations below. 1. The time it takes you…

A:

Q: The cost C, in dollars, of a prepaid cell phone call is proportional to the time t, in minutes, that…

A: We will use the given table to find the cost equation of carrier B and then we will compare both…

Q: A population of a certain species of mammal is 12,000 animals and is decreasing by 700 mammals…

A: Given,A population of a certain species of mammal is 12000

Q: The temperature T in degrees Fahrenheit is (approximately) a linear function of the number C of…

A: given that T is a linear function of C therefore, T can be written as    T = mC+b          where m…

Q: 1. The number of corporate fraud cases pending stood at 545 at the beginning of 2014 (t=0) and was…

A: Let ‘x’ denotes number of years and ‘y’ denotes of cases. Then

Q: 13. Your distance from lightning varies directly with the time it takes you to hear thunder. If you…

A:

Q: Question 7 Sean collects trading cards. The number of cards that he owns is given by the function y=…

A: Note: Hi there! Thank you for posting the question. As there are several independent questions,…

Q: 1 The cost the high school pays for its students to play a sport increased by 3% since last year. a.…

A: To find the relationship between the cost to play high school sports last year and this year , if…

Q: Price-Demand Equation At YasterMart, people are willing to buy x pounds of chocolate candy per day…

A: Topic - application of derivatives (instantaneous Rate of chang)

Q: 6. Fletcher's Meadow S.S. is offered a special group rate to attend Raptors games. Following is the…

A: Let, x represent the number of tickets purchased y represent the cost of tickets Since we know two…

Q: Find the domain and range from the first picture?

A: Since you have posted multiple number of questions and we can provide answer of one question. So the…

Q: Question 4 a) It costs $1500 plus $5.00 per bottle to produce the lotion. If x represents the number…

A:

Q: You are told that the initial relationship between X and Y can be described by the following…

A: The given data is: Y=150-3X            ....1 (a) To write the new equation for this relationship in…

Q: B for question 29. A worker has to drive her car as part of her job. She receives money from her…

A:

Q: 2. a. A scientist is studying plant growth. He notices that after 8 days of growth the plant is 10…

A:

Q: Can you help me answer these two questions? a) The slope of this graph is negative ____ m/s. What's…

A: The graph in the figure is a linear graph with negative slope,

Q: The operating cost to an airline for having a flight between its west-coast and east-coast hubs…

A:

Q: A young woman is in the market for a new car and wants to know the mechanics of operations  to save…

A: The graph of the functions are as follows: Since x represents the number of years, it cannot be…

Q: Question 5 The revenue for a company producing widgets is given by y = -20x2- 50x + 100, where x is…

A:

Q: Suppose you start with a full tank of gas (15 gallons) in your truck. After driving 4 hours, you now…

A:

Q: nd-of-Topic Review AVAILABLE O 1. A Topic Summ 2. A video of the ractice concepts you learned in…

A: We will solve the problems.

Q: The temperature at which water starts to boil (its boiling point) is linearly related to the…

A:

Q: 1 The formula F 1.8C+ 32 converts a temperature in Celsius to the temperature in Fahrenheit. Part A…

A:

Q: A) If the company manufactures 190 units at Factory X and 200 units at Factory Y, what are the total…

A:

Q: QUESTION 20 "For the linear equation Y = 2x 1 19, if X increases by 1 point, how much will Y…

A: Note:According to our guidelines we are supposed to answer only first question. Kindly repost other…

Q: The parabolic trend equation for the sales ('000 Rs.) of a company is given below : Yc 20.4-1.5X +…

A:

Q: 2) A small country in Europe has been experiencing population growth that can be modeled by the…

A:

Q: The supply equation for a certain commodity is x=1000(3p2+20p)1/2, where x units are supplied per…

A: Given: The supply equation for a certain commodity is x=10003p2+20p12, where x units are supplied…

Q: Your equation to represent the amount of money that Dahlia earns for babysitting as a function of…

A:

Q: Question 2 (8 points) Write an equation for the table below representing the relationship between…

A:

Q: Which of the following correctly states how the velocity of liquid changes with temperature? A)…

A: Viscosity decrease with increase in temperature.  As temperature rises the force of attraction…

Q: The population of a suburb of Miami has shown a linear growth in the years 1993- 2008. The…

A: a) Given that the population 1993 was 41220 people and it is growing at a rate 415 people per year.

Q: 11. The monthly charge for a waste collection service is $28 for 100 kg of waste and is $45 for 180…

A:

Q: Part 1: Identify two ordered pairs, in the form (x,y), on the line of this proportional relationship…

A: In general, if the slope is positive then the entities are directly proportional and if the slope is…

Q: The operating cost to an airline for having a flight between its west-coast and east-coast hubs…

A:

Q: Anna’s mother works in South Carolina USA as a domestic helper for a living. She sends off money in…

A: Since you have posted multiple subparts, as per our policy we will answer first three subparts.…

Q: The water level in a tank rises 4 feet every minute. Write an equation of change that describes the…

A:

Q: The rates for two airport shuttles are shown below. We-Drive Shuttle Quick Shuttle Rates for shuttle…

A: It is given that the rates of two airport shuttles are Quick shuttle: Rates of shuttle1. $30 for…

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.