Profit-and-loss analysis. jamal decides to mow lawns to
earn money. the initial cost of his electric lawnmower is
$250. electricity and maintenance costs are $4 per lawn.
a) formulate a function c(x) for the total cost of
mowing x lawns.
b) jamal determines that the total-profit function
for the lawn mowing business is given by
p(x) = 16x - 250. find a function for the total
revenue from mowing x lawns. how much does
jamal charge per lawn?
c) how many lawns must jamal mow before he begins
making a profit?