Homework Statement
2. Show that the function is continuous on the given interval.
(a)f(x)= (2x+3)/(x-2) range:(2, infinity)
(b)f(x) = 1- sqrt(1-x^2) range:[-1,1]
3. Prove that the following limits do not exist.
(a) lim x tends to 0 ( absolute|x|/x)
(b) lim x tends to 3 (2x/(x-3))...