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Question: alina is starting a summer business powerwashing home driveways...

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. Alina is starting a summer business power-washing home driveways and sidewalks. She will charge $35 to pressure-clean a driveway and the sidewalk in front of a house. Her start-up costs include her initial purchase of a power washer for $330 and a fee of $2 per house she must pay to the homeowners association for the use of the water for each house.

a. Write a linear cost function for power-washing at x homes.

b. Write a linear revenue function for power-washing at x homes.

c. Write a linear profit function for power-washing at x homes.

d. How much profit will Alina make if she power-washes at 15 homes?

e. How many homes must Alina power-wash to make $330

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