Don't worry about the level. If you can play it easily, you're above that level. (Exercises, that is, not scales. You have to practice them even if they are easy.) If it seems way too difficult, pass it up. If it looks doable but with some work, that's where you want to be. Your teacher will assess your skills and get you at the right level.
P.S. Your computer has a Shift key. Think of it like the octave key on your sax. It puts things in the upper register/case where they belong. Only a suggestion. Welcome to the forum.
P.S. Your computer has a Shift key. Think of it like the octave key on your sax. It puts things in the upper register/case where they belong. Only a suggestion. Welcome to the forum.