PLEASE HELP ME WITH THIS QUESTION. IT'S VERY URGENT.

PLEASE FIND THE QUESTION IN THE IMAGE ATTACHED BELOW.

QUESTION:-

Problem 3 (2 marks). Using the 6,5 definition of continuity, show that the following functions are continuous: (a) f(JC) = x2, for all x E ]R; (b) 80*) = , for all x > O