A Process to Extract Pectin and Pigment from Sunflower Heads

question 4

Multiple Choice

A process to extract pectin and pigment from sunflower heads involves washing the sunflower heads in heated water. Suppose that the percentage of the pigment that can be removed from a sunflower head by washing for 15 minutes can be modeled by percent where r milliliters of water is used for each gram of sunflower heads. Write a formula for the rate of change in the amount of water used with respect to a change in temperature when 47% of pigment is removed.

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Definitions:

Rival

A characteristic of a good or service that implies its consumption by one individual prevents simultaneous consumption by another individual.

Public Goods

Public goods are commodities or services that are provided without profit to all members of a society, either by the government or a private individual or organization.

Private Goods

Goods that are both excludable and rivalrous, meaning only those who pay for them can use them, and one person's use of the good reduces others' ability to use it.

Common Resources

Goods that are rival in consumption but not excludable