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Decide if each of the following functions is a polynomial function. If it is, state the degree. If it is not, explain how you know.

  1. Review the Math Notes boxes in Lessons 1.1.4 and 8.1.1.

  1. Yes; degree

  1. No; it contains an exponent of .

  1. The exponents must be whole numbers. What is the exponent of a square root?

  1. If you were to expand and simplify, what would be the highest power of ?