Practice problem
Which of the following is a polynomial?
2x2+4x4−32x^2 + \sqrt{4x^4} - 32x2+4x4−3
12x3y212x^3y^212x3y2
4x−3−24x^{-3} - 24x−3−2
111111
Type a concept, like “slope” or “photosynthesis”.