Answer:
A. 5
Step-by-step explanation:
There are three requirements in a polynomial.
First, there must be no variable in the denominator of a fraction.
Second, there must be no radicals within the algebraic expression.
Third, variables must not have negative or fractional exponents.
Options B and C does not follow the third rule, while Option D does not follow the first rule. Thus, Option A is the only polynomial among the group of options.
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