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Mathematics 23 Online
OpenStudy (anonymous):

17. Juan earns $11 per hour and works at most 30 hours per week. Identify the independent and dependent quantity in the situation, and find reasonable domain and range values.

OpenStudy (tkhunny):

Independent - Which variable does Juan control? Wages or hours?

OpenStudy (anonymous):

hours worked; amount of money earned; $0 to $330; 0 to 30 amount of money earned; hours worked; $0 to $330; 0 to 30 hours worked; amount of money earned; 0 to 30; $0 to $330 amount of money earned; hours worked; 0 to 30; $0 to $330

OpenStudy (tkhunny):

Great. Now answer my question.

OpenStudy (anonymous):

i dont know thats all it had down to choose from

OpenStudy (tkhunny):

You don't need things to choose from. Answer the question. Which does Juan control? Can he change his wages at will? Can he show up at work or not? Which one does he control? That's the independent variable,

OpenStudy (anonymous):

no he gets 11$ per hour and works at the most of 30 hrs per week

OpenStudy (tkhunny):

You still didn't answer the question. Which one can he control?

OpenStudy (anonymous):

i have no idea

OpenStudy (anonymous):

thats all i have and i dont get the question

OpenStudy (tkhunny):

Do you have a job? Do you know anyone who does?

OpenStudy (anonymous):

no nd yea?

OpenStudy (tkhunny):

Can this person who has a job walk in each day and demand higher wages?

OpenStudy (anonymous):

uh nooo..??

OpenStudy (tkhunny):

Good. So wages is NOT an independent variable. Can this person fail to show up? Leave early? or stay a little later?

OpenStudy (anonymous):

well it says works at most so does that mean he can only work that much or he only wants to?

OpenStudy (tkhunny):

Perfect. We have established that Juan has a little control over his hours. This is the Independent Variable. Simple as that.

OpenStudy (anonymous):

haha okay

OpenStudy (tkhunny):

Can you now find the answer?

OpenStudy (anonymous):

ha yes thanks

OpenStudy (tkhunny):

Good work! I really like the silly answers, like the first one: hours worked; amount of money earned; $0 to $330; 0 to 30 The Domain for "hours worked" is "$0 to $330"???? Hours aren't measured in Dollars!!! Silly answer!

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