Mathematics - Application of Derivative Question with Solution | TestHub

$\mathrm{f}:\mathrm{R}\to \mathrm{R}$ be differentiable function. Study following graph of ${\mathrm{f}}^{\prime }(\mathrm{x})=\frac{\mathrm{dy}}{\mathrm{dx}}$. Find sum of total no. of points of inflexion and extrema of $\mathrm{y}=\mathrm{f}(\mathrm{x})$.