erin5678
04.10.2021 •
Mathematics
Two hikers started at the same location. One traveled 2 miles east and then 1 mile north. The other traveled 1 mile west and then 3 miles south. At the end of their hikes, how many miles apart are the two hikers? [The use of the accompanying grid is optional.]
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Ответ:
Based on what I read, closure properties of polynomials occur in multiplication, addition, and subtraction operations.
Under multiplication, the coefficient and exponents can change but still fit the in a polynomial model.
Under addition and subtraction, only the coefficient changes whereas the variables and exponents remains the same. Thus, producing a sum or difference that is still a polynomial.