The production rate r for an oil well in barrels/day is modeled by r(t)=135e^(−0.3t) where t is the number of years the well has been in production. find the total oil production in the first 5 years of operation. integration

22. catie is starting a babysitting business. she spent $26 to make signs to advertise. she charges an initial fee of $5 and then $3 for each hour of service. write and solve an inequality to find the number of hours she will have to babysit to make a profit. interpret the solution.!