The graph of a quadratic function has a domain of (-00,00) and range of (4.). In two or more complete sentences, explain how the given range of the function can help you to determine whether the graph opens up or down.

Neoli is a nurse who works each day from 8: 00 am to 4: 00 pm at the blood collection centre. she takes 45 minutes for her lunch break. on average, it takes neoli 15 minutes to collect each sample and record the patient's details. on average, how many patients can neoli see each day?