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1. How is the concept of direct variation used in everyday life?

The way the concept of direct variation is used in everyday life is able to be comparable to the following example which is the more hours you work, the higher your paycheck will be once your time is due. Also another example of direct variation would be the more you drive, the more gas you consume. These are a few examples of how direct variation is used in everyday life.

2. Provide an example.

If y varies directly as x , and x = 12 when y = 9 , what is the equation that describes this direct variation?

3. How is the concept of inverse variation used in everyday life?

The way the concept of inverse variation is used in everyday life is compared to how as you accumulate more work or kids you will have the tendency to have fewer free time for yourself.

4. Provide an example.

If y varies inversely as x , and y = 6 when x = , write an equation describing this inverse variation?

5. How is the concept of join variation used in everyday life?

The way the concept of joint variation would used in a scenario in everyday life would be the following example which is the price of a house depends on lots of features such as its size, location, age of house, and other ideas within these same features.

6. Provide an example.

A example I would like to provide in regards to joint variation is the following:

If y varies jointly as x and z, and y = 12 when x = 2 and z = 3, find y when x = 7 and z = 4.