But she may still hide for a couple days. My understanding is it's pretty common for cats to find a small space to hide when brought to a new home, which is why it's often advised to plan to keep them in one enclosed room for the first several days. Your daughter should find a quiet activity to do in the utility room from time to time, to let the cat get familiar with her presence without being alarmed. I wouldn't panic unless there's no sign of food/litter use all day today.
Should we put the food and water in the utility room?