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.
Extensive study in economics has considered this issue, and theories exist to explain the relationship between taxes and the demand curve. Understanding the basics of the effect of tax on the demand curve is important both for business and those interested in economic policy. Basics of the Demand Curve In economics, the demand curve is a graphical approximation of consumers' buying interest. It is often used hypothetically to help explain and visualize economic theories and phenomena. The points along the demand curve represent price points at which given a quantity of consumers intend to make a purchase. For most products, economists generally assume that the demand curve is decliningâas price increases, consumption quantities will decrease.