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Mathematics, 05.10.2020 14:01 Loowkeychrissy7227
I know this is a lot to read, but it's not as bad as it looks!
Jessica is selling books during the summer to earn money for college. She earns a commission on each sale but has no pay for her own expences.
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) = 20x - 50, where x is the number of doors she knocks on during the week and E(x) is her earnings for the week in dollars.
Which of the following are reasonable interpretations of the y-intercept of Jessica's function?
A. Her expenses are $50 per week.
B. She will lose $20 per week if she does not knock on any doors.
C. If she does not knock on any doors at all during the week, she will lose $50.
D. She can earn $20 per week even if she does not knock on any doors.
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Jessica is selling books during the...
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