Solved by verified expert:Expressions
week_1_discussion_instructions.docx
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Week 1 Discussion
In this discussion, you are assigned two rational expressions to work on. Remember to factor all
polynomials completely. Read the following instructions in order and view the example to
complete this discussion. Please complete the following problems according to your assigned
number. (Instructors will assign each student their number.)
My number is 36 and here is my two rational expressions.
x2 – 25
23
b2-18b+81
3b2-12
•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
…
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