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.
A market demand schedules depicts various quantities of a commodity in the market at different prices in a given point of time. A demand schedule can be graphically represented. The graphical representation of demand schedule is known as demand curve. A demand curve can be drawn either on the basis of an individual demand schedule or on the basis of a market demand schedule. The horizontal axis measure quantity of a commodity and the vertical axis measures the price of it. By plotting different points of price-quantity combinations we get a curve which slopes negatively from left to right. This curve is the demand curve.