Answer: 9x^4-x^3-x/5
Step-by-step explanation: That's the answer on Ed.
It has a degree of 4. The last one isn't a polynomial because you can't divide by a variable. The second one has a degree of 5. And the first one does not fit the polynomial definition.
The polynomial with a degree of 4 is [tex]9x^4 - x^3 - \frac x5[/tex]
Polynomials are algebraic expressions that are represented by terms and factors
For a polynomial to have a degree of 4, the highest power of the polynomial must be 4, and the least must be 0
From the options, the polynomial with a degree of 4 is:
[tex]9x^4 - x^3 - \frac x5[/tex]
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