Emma works between 30 and 32 hours per week at a hair salon. She pays a one time $250 chair rental fee, and earns $40 per hour that she works. The hours she works are rounded to the nearest quarter hour. The function p(h)=40hˆ’250 represents Emma’s weekly pay as a function of hours worked. What is the practical domain of the function? 30‰¤h‰¤32 {30,‰30.25,‰30.5,‰30.75,‰31,‰31.25,‰31.5,‰31.75,‰32} all real numbers {30,‰31,‰32} 
 
Thomas starts a canned food collection with 2 cans of food. He challenges his friends to bring 4 cans on the second day, 8 cans on the third day, and 16 cans on the fourth day. Thomas and his friends plan to collect cans for 10 days. Which statement describes why this sequence is a function? Select each correct answer. Each day corresponds to a unique amount of cans in this sequence. Each amount of cans corresponds to a unique day in this sequence. The graph of the sequence would pass the horizontal line test. The graph of the sequence would pass the vertical line test.