Detirmine whether each following is a poloynomial or not.whrite p if it is a polynomial and np if it is not polynomial whrite your answer in separate paper 1 -3x² - 4x + 1 2. 7X⁴+ 2x + 4 3. x¼ + 3x=7 4. 3x² - 4 / 2x + x 5. 4x³ + 2x - 6 6. 23x²+14xy+7y2