Use the Following to Answer Questions

question 10

Multiple Choice

Use the following to answer questions :
There are two species of microbes,A and B,which can be grown together or separately.If G_A is the per capita growth rate of species A,G_B is the per capita growth rate of species B,D_A is the density of species A,and D_B is the density of species B,the per capita growth rates for each are the following:
G_A = 0.18 - 0.019 D_A + 0.008 D_B
G_B = 0.22 - 0.012 D_B + 0.005 D_A
-If the density of A is 10 and the density of B is 20,the growth rate(s) of

• A) A and B are both positive.
• B) A is positive and of B is zero.
• C) A is positive and of B is negative.
• D) A is negative and of B is positive.
• E) A and B are both negative.

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Definitions:

Elastic Demand

Elastic demand refers to a situation where the quantity demanded of a product changes significantly in response to changes in its price.

Consultant

A professional who provides expert advice in a particular area or industry.

Round Trip

A journey to a destination and back to the original starting point, usually referring to travel.

Price Elasticity

A measure of how much the quantity demanded of a good responds to a change in the price of that good, indicating its sensitivity to price changes.