Classify a polynomial and determine degree and leading coefficient

The video tutorial discusses the challenges of working with fractions and explains why certain expressions cannot be classified as polynomials. It highlights the issue of negative exponents and variables in the denominator, which disqualify an expression from being a polynomial.

Based on the original definition of polynomial functions, what are the limitations regarding negative exponents?

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Explain why having a variable in the denominator disqualifies an expression from being a polynomial.

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