Find the linear function whose graph is the line passing through the points P and Q .

P = (-2.2), Q = (4.5)

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.!