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