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Select the expressions that are polynomials. There may be more than one correct answer.
11x
11
+14x
1.8
+14x
15
-15x
9
4x
18
+x
12
-9x
9
+`8/x^16`
7x
21
-8x
2
+9x
`2/3`
+13x
24
x
-9
-6x
6
+5x
19
-14x
3
12x
-11x
26
-5x
29
-2x
23
Box 1:
Select all correct answers
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x
x
√
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√
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(
)
π
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x
√
(
)
π
∞
DNE
(
)
(
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[
)
[
]
—∞
∞
∪
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<
>
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ln
n
√
|
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e
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⟩
∞
DNE
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∞
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