Centenoleah87go Centenoleah87go Math Answered A. Identify if the given is a polynomial expression or not. Write P if it is polynomial expression and PN if not and give your reasons. 1. 14x 2. -2014x 3. 5x³- 4√2x+ x 4. x³/⁴+ 3x ¹/⁴ + 7