Which of the following is not an equation of a simple, even polynomial function? ​

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?

Vinny is interviewing for a job.he wants his take home pay to be at least $42,000.what is the least salary he can earn if he pays 25% income tax?

Show all work to identify the discontinuity and zero of the function f of x equals 6 x over quantity x squared minus 36