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Explain why a linear model would or would not be appropriate to model that situation. In...

Explain why a linear model would or would not be appropriate to model that situation. In addition to your explanation make sure you clearly let me know if a linear function would be good or not for each situation.

a)An employee’s earnings at a part-time job as a function of the number of hours they work.

b)The number of cases of a highly contagious disease as a function of days since it was first detected.

c)The length of a fish as a function of how old the fish is.

Math   Precalculus   
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Answer #1

a) in this situation linear model is appropriate . because employ earnings is proportional to number of hours they work

b) in this situation linear model is not appropriate . because highly contagious disease is spread as multiplied factored .for example 2 to 4 , 4 to 8 , 8 to 16 (number of cases ) , . in this situation exponential models are appropriate.

c)in this situation linear model is appropriate in limited domain. because the length of fish is proportional to age . upto a certain age and after that length is constant . so upto a limit (limited domain) the linear model is appropriate and after that constant model is appropriate.

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