Part I.

(Make sure to include all mathematical work and an explanation for each step.)

1. Solve the following:

Determining Seal population. To estimate the size of the Seal population on the Artic Peninsula, conservationists captured, tagged, and released 50 seals. 2 years later, a random sample of 100 seals included only 2 tagged seals. What is the conservationist's estimate of the size of the seals population?

Set up the two ratios and write your equation, choosing an appropriate variable for the seal population.

2. Solve the following:

Identify the form of equation you end up with in the problem, and explain the relationship between the final coefficient of x compared to the original problem.

Incorporate the following four math vocabulary words into your paper. Use bold font to emphasize the words in your writing. (Do not write definitions for the words; use them appropriately in sentences describing your math work.)

Extraneous

Proportion

Cross multiply

Extreme-means

Needs to be 3 pages in APA format nd include source citations if used.

Part II.

(Factor all polynomials completely)

(1-x^2)/x

(2b-2)/(2b^2-8)

Explain in your own words what the meaning of domain is. Also, explain why a denominator cannot be zero.

Find the domain for each of your two rational expressions.

Write the domain of each rational expression in set notation (as demonstrated in the example).

Do both of your rational expressions have excluded values in their domains? If yes, explain why they are to be excluded from the domains. If no, explain why no exclusions are necessary.

Incorporate the following five math vocabulary words into your discussion. Use bold font to emphasize the words in your writing (Do not write definitions for the words; use them appropriately in sentences describing your math work.):

Domain

Excluded value

Set

Factor

Real numbers

Must be 300 – 400 words in length – APA format – cite andy sources used.

Subject | Mathematics |

Due By (Pacific Time) | 04/02/2014 12:00 pm |

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