Please help! BRAINLIEST to correct answer

Which of the following is the true for f(x) = 5cos

If the discriminant if a quadratic equation is 4 which statement describes the roots?

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.!