ANSWER
1.) Is a Polynomial
2.) Is a Polynomial
3.) Is NOT a Polynomial
4.) Is a Polynomial
5.) Is a Polynomial
6.) Is a Polynomial
EXPLANATION
• A polynomial is a mathematical expression that contains variables, coefficients, and the addition, subtraction, multiplication, and non-negative integer exponents operations.
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• Variable exponents are not permitted in polynomials.
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• Polynomials can include fractions.
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• They cannot, however, have variables in the denominator.
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• Variables in polynomials cannot have negative exponents.
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• Non-polynomial functions, including trigonometric functions like cosine, are not allowed in polynomials.
