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A habitat of prairie dogs can support 
m dogs at most.
The habitat's population, 
p, grows proportionally to the product of the current population and the difference between 
m and 
p.
Which equation describes this relationship?
Choose 1 answer:
(A) 
(dp)/(dt)=(kp)/(m-p)
(B) 
(dp)/(dt)=km(m-p)
(C) 
(dp)/(dt)=kp(m-p)
(D) 
(dp)/(dt)=(km)/(m-p)

A habitat of prairie dogs can support m m dogs at most.\newlineThe habitat's population, p p , grows proportionally to the product of the current population and the difference between m m and p p .\newlineWhich equation describes this relationship?\newlineChoose 11 answer:\newline(A) dpdt=kpmp \frac{d p}{d t}=\frac{k p}{m-p} \newline(B) dpdt=km(mp) \frac{d p}{d t}=k m(m-p) \newline(C) dpdt=kp(mp) \frac{d p}{d t}=k p(m-p) \newline(D) dpdt=kmmp \frac{d p}{d t}=\frac{k m}{m-p}

Full solution

Q. A habitat of prairie dogs can support m m dogs at most.\newlineThe habitat's population, p p , grows proportionally to the product of the current population and the difference between m m and p p .\newlineWhich equation describes this relationship?\newlineChoose 11 answer:\newline(A) dpdt=kpmp \frac{d p}{d t}=\frac{k p}{m-p} \newline(B) dpdt=km(mp) \frac{d p}{d t}=k m(m-p) \newline(C) dpdt=kp(mp) \frac{d p}{d t}=k p(m-p) \newline(D) dpdt=kmmp \frac{d p}{d t}=\frac{k m}{m-p}
  1. Population Growth Rate Equation: The growth rate of the population is proportional to the current population pp and the difference between the maximum population mm and the current population mpm - p.
  2. Proportional Relationship: The proportional relationship can be expressed as dpdt=kp(mp)\frac{dp}{dt} = k \cdot p \cdot (m - p), where kk is the proportionality constant.
  3. Option (A) Analysis: Looking at the options, we need to find the one that matches our proportional relationship.
  4. Option (B) Analysis: Option (A) (dpdt=kpmp)(\frac{dp}{dt} = \frac{kp}{m - p}) doesn't match because it divides kpkp by (mp)(m - p) instead of multiplying.
  5. Option (C) Analysis: Option (B) (dpdt=km(mp))(\frac{dp}{dt} = km(m - p)) doesn't match because it multiplies kmkm by (mp)(m - p), which is not the same as k×p×(mp)k \times p \times (m - p).
  6. Option (D) Analysis: Option (C) dpdt=kp(mp)\frac{dp}{dt} = kp(m - p) matches our proportional relationship exactly.
  7. Option (D) Analysis: Option (C) (dpdt=kp(mp))(\frac{dp}{dt} = kp(m - p)) matches our proportional relationship exactly.Option (D) (dpdt=kmmp)(\frac{dp}{dt} = \frac{km}{m - p}) doesn't match because it divides kmkm by (mp)(m - p) instead of multiplying pp by (mp)(m - p).

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