Question

Which of the following expressions are polynomials in one variable. State reasons for your answer: (2 Marks)
i. x³ + x²+ x + 1
ii. x-² + x-¹+ 1
iii. 2+ x²
iv. 0
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Answer 1

Answer:

1,2,3 are polynomials with 1 variable...as "x" is a variable...