The area \(A\) of a square of side length \(s\) is \(A=s^2\text{.}\) Suppose \(s\) increases by an amount \(\Delta s=ds\text{.}\) Draw a square and then illustrate ...

Those are three values - you know two of them and are trying to find a third.<BR><BR><b>Local Linear Approximation</b><BR><BR>Instead of evaluating a function, you want to build a linear approximation ...