Sagot :
Answer:
x2 + 2x + 5 since all of the variables have integer exponents that are positive, this is a polynomial.
Linear poly : 3x + 1
Quadratic poly : 4x^2 + 1x + 1
Cubic poly : 6x^3 + 4x^3 + 3x + 1
Quartic poly: 6x^4 + 3x^3 + 3x^2 + 2
Etc
Step-by-step explanation: