(a) Let f: R+R be a function continuous at a ER and suppose that f(a)> 5....

 

Transcribed Image Text:

(a) Let f: R+R be a function continuous at a ER and suppose that f(a)> 5. Find a number 6>0 such that f(r) > 5 for all re B(a, 6). (b) Let a > 0. Use the formal definition of the limit of a function to prove that lim √=√a. Z- (a) Let f: R+R be a function continuous at a ER and suppose that f(a)> 5. Find a number 6>0 such that f(r) > 5 for all re B(a, 6). (b) Let a > 0. Use the formal definition of the limit of a function to prove that lim √=√a. Z-

Answer rating: 100% (QA)

5 So from and we have x a xa 70 as x7a Ja AM 1JT Ja 0 as Theis lim Jx Ja by the form... View the full answer