Y^2-Y/Y answer please

You are on a cycling trip around europe with friends. you check the weather forecast for the first week. these are the temperatures for the week. sun mon tues wed thurs fri sat 16°c 20°c 24°c 28°c 28°c 23°c 15°c what is the mean temperature forecast for the week?

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.