Please explain me step by step all these questions with the answers.

Problem 1. (10 points) One-sided Limits Use the given equations to determine the value of each expression below: f (1) = 51 - 2 f (1) = 9(-1) - lim f(x) = lim g(x ) = C- -1 lim f(x) = lim g(x) lim f(x) = lim g() = all answers should be given as numbers if a result does not exist, respond with "DNE" or "undefined" Note : You can earn partial credit on this problem. preview answers Problem 2. (5 points) Find the limit. Use I'Hospital's Rule if appropriate. Use INF to represent positive infinity, NINF for negative infinity, and D for the limit does not exist. lim r - tan 5 sin &amp