Thursday, May 13, 2010

What are some examples of real life dependent relationships in functions?

For example, like:


How many candy bars I can buy DEPENDS on how much money I bring.


How early I wake up DEPENDS on what time I go to sleep.





They need to have the word DEPEND in them.





Also, could you give me an idea on how to tell which is the independent and which is the dependent variable?





Please and Thank You! :)What are some examples of real life dependent relationships in functions?
How much money you earn DEPENDS on how many hours you work.





Since the money DEPENDS on the work, the money is dependent. The independent variable is the other one that comes after ';depends on';





How much sales tax you pay DEPENDS on the price of the item.





How much income tax you pay DEPENDS on how much money you earn.





How drunk you get DEPENDS on how much alcohol you drink (oops, probably not a good one for school)





How long it takes to drive from your home to school DEPENDS on how fast you drive.





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What are some examples of real life dependent relationships in functions?
You can do a velocity one. How far you go DEPENDS on how much time has gone by (the slope of the line is your velocity).





The dependent variable is always on the y-axis. If you think about the wording, the value of the dependent variable DEPENDS on what happens with the independent variable. In an experiment, the independent variable is controlled by the scientist. for instance, the amount of light DEPENDS on how many light bulbs are used.

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