Identify the key features of these functions: f(x) = 3(x + 5)2 − 10 g(x) = -4x2 + 3x − 1 h(x) = -0.25(x + 3)(x − 1)

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.!