anonymous
  • anonymous
Jessica is selling books during the summer to earn money for college. She earns a commission on each sale but has to pay for her own expenses. After a month of driving from neighborhood to neighborhood and walking door-to-door, she figures out that her weekly earnings are approximately a linear function of the number of doors she knocks on. She writes the equation of the function like this: E(x) = 10x - 35, where x is the number of doors she knocks on during the week and E(x) is her earnings for the week in dollars. What does the slope of Jessica's function represent?
Mathematics
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
A. For each additional door she knocks on, her earnings will increase by $10. B. For each additional set of books she sells, her earnings will increase by $35. C. For each additional set of books she sells, her earnings will increase by $10. D. For each additional door she knocks on, her earnings will increase by $35.
shamil98
  • shamil98
Lol, do you go to CAVA?
anonymous
  • anonymous
no haha

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shamil98
  • shamil98
I would say the answer is C, because 35 represents the expenses, and A says each door she knocks on, which would mean each door she knocks she sells a book. So C is the logical answer, I did the same problem a couple days for my school lol.
anonymous
  • anonymous
oh okay haha let me see if it works :o
shamil98
  • shamil98
It's either C or A.
anonymous
  • anonymous
its A :) thank you!

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