identify if it is a polynomial or not a polynomial state your reason if is not a polynomial .use another sheet of paper for this activity
1. 10×


[tex] 2 \: \: \: \: \times {}^{3} - 2 \sqrt{5 \times } + \times [/tex]

3. -2020×

[tex]4. \: \: \: \: \times \frac{2}{3} + 3 \times + 1[/tex]
[tex]5. \: \: \: \: \: \frac{1}{ \times {}^{2} } + \frac{2}{ \times {}^{3} } + \frac{3}{ \times {}^{4} } [/tex]