try to write down the converse statement without the decomposition
steps shown in class.

% One-sided limit
Section 2.4: Problems 26, 34, 42

% Continuity
Section 2.5: 64, 67, 77 (Need not graph it).

% Limits involving infinity
Section 2.6: 92, 93.

Lim_x\ton infty = \infty