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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
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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

User Jim Kane
by
6.6k points

2 Answers

5 votes
Answer is D) f(x) = 12x-40
User Alex Klyubin
by
7.1k points
3 votes
D f(x)=12x-40 because he has to subtract the price of fuel from his profit
User Jeffrey Blattman
by
7.6k points
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