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Earl mows lawns one weekend. He earns $12 for each lawn that he mows. He spends $40 on gas and other supplies. What function equation represents Earl's profit from mowing x…
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Earl mows lawns one weekend. He earns $12 for each lawn that he mows. He spends $40 on gas and other supplies. What function equation represents Earl's profit from mowing x…
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Nov 16, 2018
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Earl mows lawns one weekend. He earns $12 for each lawn that he mows. He spends $40 on gas and other supplies.
What function equation represents Earl's profit from mowing x lawns?
A. f(x)=40x−12
B. f(x)=40x+12
C. f(x)=12x+40
D. f(x)=12x−40
Mathematics
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Jim Kane
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Answer is D) f(x) = 12x-40
Alex Klyubin
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Nov 19, 2018
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Alex Klyubin
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D f(x)=12x-40 because he has to subtract the price of fuel from his profit
Jeffrey Blattman
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Nov 20, 2018
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