Question

Which of the following expressions are polynomials in one variable and which are
not? State reasons for your answer.
1. 4x²-3x+7
2. y²+√2
3. 3√t+t√2
4. y+2/y
​

Answer 1

Answer:

1. 4x²-3x+7 → polynomial
2. y²+√2  → polynomial
3. 3√t+t√2→ not polynomial
4. y+2/y→ not polynomial

Explanation:

(see photos)

(mark me  the brainliest pls. thankyou)