MathematicsEasy175×since 2002Q2707The function f defined by f(x) = x³ −-− 3x² + 5x + 7 , is :Aincreasing in R.Bdecreasing in R.Cdecreasing in (0, ∞\infty∞) and increasing in (−-− ∞\infty∞, 0)Dincreasing in (0, ∞\infty∞) and decreasing in (−-− ∞\infty∞, 0)Check answerSkip