Hey is my answer correct and if not can you give me a brief explanation was the correct answer? :)

During your cycling trip, you and your friends often stayed in hostels. the prices of these are listed below. hostel standard room (price per night) with breakfast (price per night) super sleep hostels £22.45 £28.65 normandy nights £18.55 £25 zzzola hostels £24.50 £30.99 belgian beds £11.20 £18.55 night-time rest days ? £33 what is the range in cost for a single night, including both standard room prices and with breakfast prices?

What properties allow transformation to be used as a problem solving tool

Which of the following is true for the relation f(x)=2x^2+1