Keeping in mind that a function’s rate of change is a measure of how fast the function is increasing or decreasing, what does the slope of a linear function indicate?

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.!