Which of the equations below could be the equation of this parabola?

What are the domain and range of f(x)=[1/5]x

Evaluate the given expression if m=45 |-3m|

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.!