Statement-1: f : R → R be a function such that f (x) = x3 + x2 + 3x + sin x. Then f is one-one.
Statement-2: f (x) is neither increasing nor decreasing.
(a) Statement-1 is false, Statement-2 is true.
(b) Statement-1 is true, Statement-2 is true; Statement-2 is a correct explanation for Statement-1.
(c) Statement-1 is true, Statement-2 is true; Statement-2 is not a correct explanation for Statement-1.
(d) Statement-1 is true, Statement-2 is false.