Question

which if the following is a polynomial?Give reasons for your answer.


a)
${y}^{3} + 3 \sqrt{x}$
b)
${x}^{ - 2} + {x}^{ - 1} + 3$
c)
$3x - \sqrt{5}$
d)
$\sqrt[3]{2} x + 5 {x}^{2}$
please it's urgent
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Answer 1

Answer:

a

b

c

are polynomial

Step-by-step explanation: