please explain me that 10 questions with the answer , step by step please. These are practice question.

+ 56 1. (10 points) Calculnte lim 63 2. (10 points) Calculate lim sin(A) (Hint: recall that liiii 1 and 'ttse pr0perties of limits) 3. (10 points) Calculate lim sine ) Illiilt; Use the squeeze theorem] 4. (10 points) Calculate 'lim 13 21 5. (10 points) Find all the vertical asymptotes Of f (a) [Ilint: factor] 24 6. Let be a functionv (a) (5 points) Give the definition of; is continuous at Your definition should involve a limit. derivative of f at = u" li.e., f' Your definition should (b) (5 points) Give clefhnition: of: involve a limit. 5:r2+ I llif < 7. Let 8. 9. 10. (a) (2 points) Find (b) (2 points) Find lim f (c) (2 points) Therefore, what is: litrij( (e) (2 points) Is f continuous (10 points) Let f (r) $2 81 5B '0, /'(3), Do not (10 points) Let f (r) use any derivative rules. the poinUwhere = (1() points) Let f = 5., Find lth