Identify whether each polynomial is quadratic, linear, or neither
Option 1: f(x)=x^2+3x+4
Option 2: g(x)=9+7x
Option 3: h(x)=x^-2-36
Option 4: P(x)=4x
Option 5: R(x)=x^2+3
Option 6: C(x)=1500+14x
Option 1: Quadratic
Option 2: Linear
Option 3: Neither
Option 4: Linear
Option 5: Quadratic
Option 6: Linear