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# Algabraic Functions, real life, and teaching them to your students - Essay Example

Summary
An Example of a Function Functions can be used to help model real world data as well as extrapolate future data through analysis. One of the ways in which modeling functions will be useful is in relation to the gas and energy crisis. Many companies are looking at trying to make cars more economically and ecologically efficient…

## Extract of sampleAlgabraic Functions, real life, and teaching them to your students

Download file to see previous pages... Therefore, this problem can be modeled as creating a function in which the miles per gallon (MPG) is a function of the money in dollars spent annually powering the car. Context In trying to decide what type of car to get, Ryan is looking at what kind of car he can get for the right price. Since he is a college student, he is looking for a car that gets good mileage so that he can spend less money on gas and still be able to drive around. The car dealership gave him a guide in which he could compare the amount of money he would need depending on the type of vehicle he bought. The larger, inefficient trucks typically get about 10MPG and will cost approximately \$2,700 in gas per year. The dealership has it listed in increments of increasing 5 MPG, ending with the most economically and ecologically efficient cars which get around 50 MPG and only cost \$540 annually to drive around. Table MPG Cost per Year in Dollars 10 \$2,700.00 15 \$1,800.00 20 \$1,350.00 25 \$1,080.00 30 \$900.00 35 \$771.43 40 \$675.00 45 \$600.00 50 \$540.00 Use of Words The lower the MPG of a vehicle, the larger the annual cost is to fund the gas for travel. The higher the MPG of a vehicle, the smaller the annual cost is to fund the gas for travel. ...Download file to see next pagesRead More
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