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Mth220 Week 3 Team

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Concept 1: (Functions)
Functions can be taken as a relation of input against the output, so the function of x is dependent on the number included in the operation. Estimated time of arrival (ETA) can be a function. For example, riding a bicycle may consume 45 minutes; an equation can be formulated that will show that the person begins riding the bicycle at x-time. For instance 8:00 in the morning, that person will be able to arrive at their destination exactly at 8:00 plus 45 minutes. The following equation would be useful where x=time of departure f (x)= x+45

Concept 2: (Relations)
Relations, in mathematics are defined as the set or group of ordered pairs. Lets say that there are 15 students in the room and a test containing 50 questions. Every student is given a particular number to acknowledge or distinguish each like 1,2,3, 4 and so on. The second set of number includes the test scores of each student.

For example:
1 =40
The first number stands for the first student and the second number stands for the grade
4 = 30
Describes that the fourth student got 30 points from the test

Concept 3: (Linear Equations)
All of us can use the linear equations using various settings in every day life. For example, a date at the movies may consist of the following. Patron (A) consumed nachos and 2 bottles of water totaling $3.75; Patron (B) bought hotdogs and a Gatorade for three dollars. If another patron is watching the movie and is curious about the cost of food, then they apply two equations to know the prices.

Solution:
X stands for the cost of nachos
Y stands for the cost of water
Then:
x + 2y = 3.75
2x + y = 3

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