How to solve this question, i don't understand it

Which of the following represents the range of the graph of f(x) below

Find the measure of angle y. round your answer to the nearest hundredth. ( type the numerical answer only) a right triangle is shown with one leg measuring 5 and another leg measuring 14. an angle across from the leg measuring 5 is marked y degrees. numerical answers expected!

If f (x) = 2x2 +5/(x-2), complete the following statement: f(6) =