Jimmy decides to mow lawns to earn money. The initial cost of his electric lawnmower is $250. Electricity and maintenance costs are $5 per lawn. Complete parts (a) through (c). a ) Formulate a function C(x) for the total cost of mowing x lawns. C(X) = b) Jimmy determines that the total-profit function for the lawn mowing business is given by P(x) =9x - 250. Find a function for the total revenue from mowing x lawns. R (X ) = How much does Jimmy charge per lawn? c) How many lawns must Jimmy mow before he begins making a profit? (Round to the nearest integer as needed. )