(f^3-5f+25)-(4f^2-12f+9)
1 answer:
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Answer:
d)
Step-by-step explanation:
Which algebraic expression is a polynomial?
Answer: A polynomial is an expression with variables and coefficients separated by addition and subtraction. The following are used when determining if an expression is a polynomial:
i) Variables of a polynomial must not have negative exponent.
ii) Variables of a polynomial must not have fractional exponent.
iii) Dividing by an exponent is not allowed
iv) Exponent radicals are not allowed.
a) is not a polynomial because dividing by an exponent is not allowed.
b) , is not a polynomial because exponent radicals are not allowed (√m)
c) is not a polynomial because dividing by an exponent is not allowed.
d) is a polynomial