[Analysis] Various additions and fixes

semester3/analysis-ii/cheat-sheet-jh/parts/00_intro.tex

@@ -1,3 +1,5 @@
 \section{General tips}
 Use systems of equations if given some points, or other optimization techniques.
 The Analysis I cheat sheet has a derivatives and anti-derivatives table.
+
+Do note that a function like $e^{ax}$ is bounded as $x \rightarrow +\infty$ if $a \leq 0$ (exponent becomes smaller!)