1 Glycerin, an ingredient in some toothpastes, can interfere with strengthening your teeth. 2  Glycerin layers your tooth in a sticky film that keeps the minerals in your saliva from interacting with your enamel to strengthen it.. Chew sugar-free gum. The gum promotes saliva production, without the sugar that makes weakened enamel worse. Gum with the natural sweetener xylitol doesn't feed the bacteria that weakens your enamel, and xylitol has actually been shown to strengthen tooth enamel.
Demand functions for a straight-line demand curve take the following form: Quantity = a - (b x Price). where a and b are constants that must be determined for each particular demand curve. When price changes, the result is a change in quantity demanded as one moves along the demand curve.
The demand and supply curves are graphical representations of the law of demand and law of supply and demonstrate how quantity supplied and demanded change with changes in price. The following article provides an overview of supply and demand in general and explains the differences between demand and supply curves. Demand Curve Demand is defined as the desire to purchase goods and services backed by the ability and willingness to pay a price.