In which polynomials does P(x) approach negative infinity as x approaches infinity?

There may be more than one correct answer. Select all correct answers.

P(x)=7x2+11x−6

P(x)=x3+x2+x

P(x)=−x2

P(x)=−6x5+8x4−10x3+10x2−4x+2

P(x)=−3x4+5x2+1

P(x)=−10x+9