Answer Happy

WebAssign Graphing Tec 3. [-/2.56 Points] DETAILS LARPCALCLIMS 1.3.095. MY NOTES ASK YOUR TEACHER A roofing contractor purchases a shingle delivery truck with a shingle elevator for $40,800. The vehicle requires an average expenditure of $9.50 per hour for fuel and maintenance, and the operator is paid $12.50 per hour. (a) Write a linear equation giving the total cost C of operating this equipment for thours. (Include the purchase cost of the equipment.) C(C)= (b) Assuming that customers are charged $46 per hour of machine use, write an equation for the revenue R obtained from thours of use. R(t)= (c) Use the formula for profit P-R-C to write an equation for the profit obtained from thours of use. P(t)- (d) Use the result of part (c) to find the break-even point-that is, the number of hours this equipment must be used to yield a profit of 0 dollars. hr