Next exam for C3: Tuesday 19th June

Summary/Background
The above display
makes use of an important factor about the exponential function, namely that,
as \delta x \to 0 so \displaystyle
\frac{e^{\delta x} - 1}{\delta x} \to 1 .
Software/Applets used on this page
Glossary
derivative
rate of change, dy/dx, f'(x),
, Dx.

exponential function
A function having variables as exponents.
function
A rule that connects one value in one set with one and only one value in another set.
union
The union of two sets A and B is the set containing all the elements of A and B.