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Week 1 - Discussion
Domains of Rational Expressions [CLOs: 1, 2] |
In this discussion, you are assigned two rational expressions to work on. Remember to factor all polynomials completely. Remember to factor all polynomials completely. If you want to refresh your factoring skills, review sections 5.1 -- 5.6 in your e-book. 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.)
Attached.
1)
22x + 11
− 3x − 10
x2
In the real number system division by zero not defined. Therefore, if there some values that make
the denominator zero, then the function is not defined in that x values. In this case we need to set
the denominator equal to zero to find the excluded values that makes the denominator “zero”
x 2 − 3x − 10 = 0
Factorizing the polynomial
(x − 5)(x + 2) = 0
Setting each factor zero
(x ...
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