# Linear functions are used to model situations

August 30, 2017

I need help for my assignment as outlined. When applicable, adhere to APA formatting and
reference guidelines. Assignment at attach file.

Linear functions are used to model situations that show a constant rate of change between 2
variables. For example, the relation between feet and inches is always 12 inches per foot. A
linear function of this would be y = 12x where y is the number of inches and x is the number of
feet. y = 24x models the number of hours in any given number of days {x}. A possible business
application may be as follows: If a cell phone company charges a start-up fee of \$50 and then
\$0.05 for every minute used, the function is y = 0.05 x + 50. Use the library or Internet to find
another example of a function. Explain how it works with a three sets of inputs for your example.
What is the output of your data? What is the practical use of your function?

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