The first derivative can be used to find the relative minimum and relative maximum values of a function over an open interval. These values are often called extreme values or extrema (plural form). A point is considered a minimum point if the value of the function at that point is less than the function values for all x-values in the interval.
Sancerre is a medieval hilltop town (ville), commune and canton in the Cher department of central France overlooking the Loire River.ancerre is a medieval hilltop town (ville), commune and canton in the Cher department of central France overlooking the Loire River.
Sancerre Wine. Sancerre is a small wine district in central France, famous for its crisp, aromatic white wines made from Sauvignon Blanc. It is also known for its high-quality goat cheeses, which are an excellent match for the local wine.he classic Sancerre wine is white, bracingly acidic, and has pungent aromas of gooseberries, grass, nettles, and a hint of stony minerality.