JEE Main 2009Annual, Paper 1MathematicsEasySets, Relations and Functions168× since 2002For real x, let f(x) = x³ + 5x + 1, thenAOption A. f is one-one but not onto RBOption B. f is onto R but not one-oneCOption C. f is one-one and onto RDOption D. f is neither one-one nor onto RCheckSkip · show solution
