Which statement best describes the polynomial 3x^2-6+4x^4
second degree polynomial with two terms
third degree polynomial with two terms
third degree polynomial with three terms
fourth degree polynomial with three terms

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

How to do this , and can some one explain

Wich statement could be used to explain why the function h(x)= x^3 has an inverse relation that is also a function