Identify polynomials in the following :
(i) f(x) = 4x3 − x2 - 3x + 7
(ii) g(x) = 2x3−3x2+√x−1
(iii) p(x) = 27x2−74x+9
(iv) q(x) = 2x2−3x+4x+2
(v) h(x) = x4−x32+x−1
(vi) f(x) = 2 +3x+4x