Plot the function f(x)-xe-r and its derivative for 0S$ Plot the function with a solid line, and the derivative with a dashed line. Add a legend and label the axes. 4. 10 in one figure. MATLAB Plot the function f(x)-xe-r and its derivative for 0S$ Plot the function with a solid line, and the derivative with a dashed line. Add a legend and label the axes. 4. 10 in one figure. MATLAB