Mathematics, 13.07.2019 10:30 rebekah052482
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) =7x -25, 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? a. for each additional set of books she sells her earnings will increase by $25 b. for each additional door she knocks on her earnings will increase by $7 c. for each additional door she knocks on her earnings will increase by $25 d. for each additional set of books she sells her earnings will increase by $7
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Jessica is selling books during the summer to earn money for college. she earns a commission on each...
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