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The total number P of prey taken by a predator depends on the availability of prey. C. S. Holling proposed a function of the form P cn/(1 + dn) to model the number of prey taken in certain situations. Here n is the density of prey available, and e and d are constants that depend on the organisms involved as vell as on other environmental features. Holling took data gathered earlier by T. Burnett on the number of sawfly cocoons found by a small wasp parasite at given host density. In one such experiment conducted, Holling found the relationship P21.96n 1+ 2.410 where Pis the number of cocoons parasitized and n is the density of cocoons available (measured as number per square inch). (a) Draw a graph of P versus n. Include values of n up to 2 cocoons per square inch. 15 15 10 10 0.5 1.0 1.5 0.5 2.0" 1.0 1.5 15 1아 10 0.5 1.0 1.5 20" 05 1.0 1.5 2.0 (b) what density of cocoons will ensure that the vasp will find and parasitize 4 of them? (Round your answer to one decimal place.) cocoon(s) per square inch (c) There is a limit to the number of cocoons that the wasp is able to parasitize no matter how readily available the prey may be. What is this upper limit? (Round your answer to the nearest whole number.) cocoons

The total number P of prey taken by a predator depends on the availability of prey. C. S. Holling proposed a function of the form P cn/(1 + dn) to model the number of prey taken in certain situations. Here n is the density of prey available, and e and d are constants that depend on the organisms involved as vell as on other environmental features. Holling took data gathered earlier by T. Burnett on the number of sawfly cocoons found by a small wasp parasite at given host density. In one such experiment conducted, Holling found the relationship P21.96n 1+ 2.410 where Pis the number of cocoons parasitized and n is the density of cocoons available (measured as number per square inch). (a) Draw a graph of P versus n. Include values of n up to 2 cocoons per square inch. 15 15 10 10 0.5 1.0 1.5 0.5 2.0" 1.0 1.5 15 1아 10 0.5 1.0 1.5 20" 05 1.0 1.5 2.0 (b) what density of cocoons will ensure that the vasp will find and parasitize 4 of them? (Round your answer to one decimal place.) cocoon(s) per square inch (c) There is a limit to the number of cocoons that the wasp is able to parasitize no matter how readily available the prey may be. What is this upper limit? (Round your answer to the nearest whole number.) cocoons

Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter6: Topics In Analytic Geometry
Section: Chapter Questions
Problem 33CT
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The total number P of prey taken by a predator depends on the availability of prey. C. S. Holling proposed a function of the form P = cn/(1 + dn) to model the number of prey taken in certain situations. Here n is the density of prey available, and c and d are constants that depend on the organisms involved as well as on other environmental features. Holling took data gathered earlier by T. Burnett on the number of sawfly cocoons found by a small wasp parasite at given host density. In one such experiment conducted, Holling found the relationship 21.96n 1 + 2.412 where Pis the number of cocoons parasitized and a is the density of cocoons available (measured as number per square inch). (a) Draw a graph of P versus n. Include values of n up to 2 cocoons per square inch. P 15 15 10 10 0.5 1.0 1.5 2.0 0.5 1.0 1.5 2.0 15 15 10 10- 5 0.5 1.0 1.5 2.0 0.5 1.0 1.5 2.0 (b) What density of cocoons will ensure that the wasp will find and parasitize 4 of them? (Round your ansswer to one decimal place.) cocoon(s) per square inch (c) There is a limit to the number of cocoons that the wasp is able to parasitize no matter how readily available the prey may be. What is this upper limit? (Round your answer to the nearest whole number.) cocoons
Transcribed Image Text:The total number P of prey taken by a predator depends on the availability of prey. C. S. Holling proposed a function of the form P = cn/(1 + dn) to model the number of prey taken in certain situations. Here n is the density of prey available, and c and d are constants that depend on the organisms involved as well as on other environmental features. Holling took data gathered earlier by T. Burnett on the number of sawfly cocoons found by a small wasp parasite at given host density. In one such experiment conducted, Holling found the relationship 21.96n 1 + 2.412 where Pis the number of cocoons parasitized and a is the density of cocoons available (measured as number per square inch). (a) Draw a graph of P versus n. Include values of n up to 2 cocoons per square inch. P 15 15 10 10 0.5 1.0 1.5 2.0 0.5 1.0 1.5 2.0 15 15 10 10- 5 0.5 1.0 1.5 2.0 0.5 1.0 1.5 2.0 (b) What density of cocoons will ensure that the wasp will find and parasitize 4 of them? (Round your ansswer to one decimal place.) cocoon(s) per square inch (c) There is a limit to the number of cocoons that the wasp is able to parasitize no matter how readily available the prey may be. What is this upper limit? (Round your answer to the nearest whole number.) cocoons
Expert Solution
Step 1

Given relationship is

P=21.96n1+2.41n                       (i)

Where P is the number of cocoons parasitized and n is the density of cocoons available measured in per square inch. 

The graph of the given relation is shown below. 

Advanced Math homework question answer, step 1, image 1

So, correct answer is C

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