The table below represents the height of a bird above the ground during flight, with P(t) representing height in feet and t representing time in seconds

x f(x)
0 6.71
3 6.26
4 6
9 3.41

Calculate the average rate of change from 3 to 9 seconds, in feet per second. Show your work.

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.!